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What is the syllabus for office trainee exam of HPCL?what are the important subject for the candidates who belongs to mechanical stream in engineering?

i want the syllabus for officer trainee exam for mechanical engineer in hpcl.please send it to [email protected]

i will so many question check out with this question it will be very much help first topic is

Gears and cam


1.
These gears are used to transmit power between nonintersecting shafts that are at right angles to each other:

A. Racks
B.
Worm gears
C. Spur gears
D. Bevel gears
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2.
Spur gear design normally begins with selecting this:

A. Rack size
B. Tooth size
C. Gear size
D.
Pitch diameter
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3.
The most common geometric form used in gears today is this:

A.
Involute profile
B. Convolute profie
C. Base circle
D. Spur circle
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4.
This is a curve showing the displacement of the follower as ordinates on a base line that represents one revolution of the cam:

A.
Displacement diagram
B. Follower
C. Cam cycle
D. Reciprocation chart
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5.
Gear teeth formed on a flat surface are called this:

A. Pinion B.
Rack
C. Spur D. Teeth

6.
These gears transmit power between shafts whose axes intersect at any angle:

A. Worm gears
B. Spur gears
C.
Bevel gears
D. Racks

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check out this question, it is other topic General principal


1.
Solve the following equation for the two roots of x: x2 — 16 = 0

A. x = 2i, –2i
B. x = 4i, –4i
C.
x = 4, –4
D. x = 2, –2
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2.

Using the basic trigonomic functions, determine the length of side AB of the right triangle.

A.
h = 7.07
B. h = 10
C. h = 5
D. h = 14.14
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3.

Determine the angle :

A. = 30°
B. = 40°
C. = 60°
D.
= 50°
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4.
Solve the following equation for x, y, and z:

x – y + z = –1 –x + y + z = –1 x + 2y – 2z = 5

A.
x = 1, y = 1, z = –1
B. x = 5/3, y = 7/6, z = –1/2
C. x = –2/3, y = –2/3, z = –1
D. x = –1, y = 1, z = 1
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5.

Using the basic trigonomic functions, determine the length of side AB of the right triangle.

A. h = 5.77
B. h = 11.55
C.
h = 5
D. h = 8.66


6.

Determine the angles and and the length of side AB of the triangle. Note that there are two possible answers to this question and we have provided only one of them as an answer.

A. = 46.7°, = 93.3° d = 9.22
B. = 50.0°, = 90.0° d = 9.14
C. = 40.0°, = 100.0° d = 9.22
D.
= 48.6°, = 91.4°, d = 9.33
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7.

Determine the length of side AB if right angle ABC is similar to right angle A'B'C':

A. AB = 5.42
B. AB = 3
C.
AB = 5
D. AB = 4
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8.

Determine the angle :

A. = 30°
B. = 40°
C. = 60°
D.
= 50°
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9.
Solve the following equation for the two roots of x: — x2 + 5x = — 6

A. x = 2, 3
B. x = –1, –5
C.
x = –1, 6
D. x = –0.742, 6.74
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10.

Using the basic trigonomic functions, determine the length of side AB of the right triangle.

A.
h = 10
B. h = 7.07
C. h = 14.14
D. h = 5

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next topic is Equilibrium of particles


6.

Determine the angles and and the length of side AB of the triangle. Note that there are two possible answers to this question and we have provided only one of them as an answer.

A. = 46.7°, = 93.3° d = 9.22
B. = 50.0°, = 90.0° d = 9.14
C. = 40.0°, = 100.0° d = 9.22
D.
= 48.6°, = 91.4°, d = 9.33
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7.

Determine the length of side AB if right angle ABC is similar to right angle A'B'C':

A. AB = 5.42
B. AB = 3
C.
AB = 5
D. AB = 4
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8.

Determine the angle :

A. = 30°
B. = 40°
C. = 60°
D.
= 50°
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9.
Solve the following equation for the two roots of x: — x2 + 5x = — 6

A. x = 2, 3
B. x = –1, –5
C.
x = –1, 6
D. x = –0.742, 6.74
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10.

Using the basic trigonomic functions, determine the length of side AB of the right triangle.

A.
h = 10
B. h = 7.07
C. h = 14.14
D. h = 5

6.


Determine the force F needed to hold the 4-kg lamp in the position shown.

A.
F = 39.2 N
B. F = 68.0 N
C. F = 34.0 N
D. F = 19..62 N
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7.


The patella P located in the human knee joint is subjected to tendon forces T1 and T2 and a force F exerted on the patella by the femoral articular A. If the directions of these forces are estimated from an X-ray as shown, determine the magnitudes of T1 and F when the tendon force T2 = 6 lb.. The forces are concurrent at point O.

A. T1 = 1.042 lb, F = 5.91 lb
B. T1 = 5.64 lb, F = 5.64 lb
C. T1 = 1.203 lb, F = 5.31 lb
D.
T1 = 4.45 lb, F = 6.82 lb
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8.


A continuous of total length 4 m is wrapped around the small frictionless pulleys at A, B, C, and D. If the stiffness of each spring is k = 500 N/m and each spring is stretched 300 mm, determine the mass m of each block. Neglect the weight of the pulleys and cords. The springs are unstretched when d = 2 m.

A. m = 153.0 kg
B.
m = 15.60 kg
C. m = 4.75 kg
D. m = 30.5 kg
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9.


Determine the force in each strut and tell whether it is in tension or compression.

A. Fab = 1.76 lb T, Fac = 5.00 lb T, Fad = 3.53 lb C
B. Fab = 11.47 lb T, Fac = 25.0 lb C, Fad = 14.97 lb C
C.
Fab = 11.47 lb C, Fac = 25.0 lb T, Fad = 14.97 lb C
D. Fab = 1.76 lb C, Fac = 5.00 lb T, Fad = 3.53 lb C
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10.


The ends of the three cables are attached to ring at A and to the edge of a uniform 150-kg plate. Determine the tension in each of the cables for equilibrium.

A. Fab = 629 N, Fac = 1030N, Fad = 57.0 N
B. Fab = 1116 N, Fac = 1030N, Fad = 429 N
C. Fab = 720 N, Fac = 116.1N, Fad = 830 N
D.
Fab = 858 N, Fac = 0, Fad = 858 N


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Next topic is equilibrium of Rigid Body


1.


The girl has a mass of 17kg and mass center at Gg, and the tricycle has a mass of 10kg and mass center at Gt. Determine the normal reactions at each wheel for equilibrium.

A. NA = 14.77 N, NB = NC = 6.12 N
B.
NA = 128.8 N, NB = NC = 68.0 N
C. NA = 144.9 N, NB = NC = 60.0 N
D. NA = 13.15 N, NB = NC = 6.93 N
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2.


The sports car has a mass of 1.5 Mg and mass center at G. If the front two springs each have a stiffness of kA=58 kN/m and the rear two springs each have a stiffness of kB = 65 kN/m, determine their compression when the car is parked on the 30° incline. Also, what frictional force FB must be applied to each of the rear wheels to hold the car in equilibrium?

A. xA = 16.1 mm, xB = 42.2 mm, FB = 6.37 kN
B. xA = 65.9 mm, xB = 39.2 mm, FB = 6.37 kN
C.
xA = 53.2 mm, xB = 50.5 mm, FB = 3.68 kN
D. xA = 76.1 mm, xB = 45.3 mm, FB = 3.68 kN
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3.


Determine the tension in the supporting cables BC and BD and the components of reaction at the ball-and-socket joint A of the boom. The boom supports a drum having a weight of 200 lb. at F. Points C and D lie in the x—y plane.

A.
Ax = 0, Ay = 150 lb, Az = 562 lb, TBC = 300 lb, TBD = 212 lb
B. Ax = 0, Ay = 150 lb, Az = 456 lb, TBC = 150 lb, TBD = 212 lb
C. Ax = 0, Ay = 267 lb, Az = 843 lb, TBC = 533 lb, TBD = lb
D. Ax = 0, Ay = 150 lb, Az = 500 lb, TBC = 212 lb, TBD = 212 lb
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4.


The space truss is supported by a ball-and-socket joint at A and short links, two at C and one at D. Determine the x, y, z components of reaction at A and the force in each link.

A. Ax = -1.050 kN, Ay = 1.050 kN, Az = 0.800 kN, Cy = -1.050 kN, Cz = 0.600 kN, Dx = 1.050 kN
B. Ax = -1.400 kN, Ay = 1.400 kN, Az = 0.800 kN, Cy = -1.400 kN, Cz = 0.600 kN, Dx = 1.400 kN
C. Ax = -2.49 kN, Ay = 1.867 kN, Az = 0.800 kN, Cy = -2.49 kN, Cz = 0.600 kN, Dx = 2.49 kN
D.
Ax = -1.867 kN, Ay = 1.867 kN, Az = 0.800 kN, Cy = -1.867 kN, Cz = 0.600 kN, Dx = 1.867 kN
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5.


The flying boom B is used with a crane to position construction materials in coves and underhangs. The horizontal "balance" of the boom is controlled by a 250-kg block D, which has a center of gravity at G and moves by internal sensing devices along the bottom flange F of the beam. Determine the position x of the block when the boom is used to lift the stone S, which has a mass of 60 kg. The boom is uniform and has a mass of 80 kg.

A. x = 2.500 m
B.
x = 0.340 m
C. x = 1.180 m
D. x = 0.600 m

6.


There is a ball and socket connection at A. At point B there is a connection that opposes motion in the x and z directions only. Determine the unknown force components at A and B. Use a scalar analysis.

A. Ax = 5.5 kN, Ay = -1.0 kN, Az = 2.75 kN, Bx = 3.5 kN, Bz = 1.25 kN, FDC = 2.0 kN
B. Ax = 1.5 kN, Ay = -1.0 kN, Az = 0.75 kN, Bx = -3.5 kN, Bz = 1.25 kN, FDC = 2.0 kN
C. Ax = 5.5 kN, Ay = -1.0 kN, Az = 2.75 kN, Bx = 3.5 kN, Bz = -0.75 kN, FDC = 2.0 kN
D.
Ax = 1.5 kN, Ay = -1.0 kN, Az = 1.25 kN, Bx = -3.5 kN, Bz = 0.75 kN, FDC = 2.0 kN
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7.


Determine the horizontal and vertical components of reaction at the pin A and the reaction at the roller support B required for equilibrium of the truss.

A. Ax = 0, Ay = 333 lb, NB = 267 lb
B. Ax = 462 lb, Ay = 66.7 lb, NB = 533 lb
C. Ax = 267 lb, Ay = 223 lb, NB = 377 lb
D.
Ax = 154.0 lb, Ay = 333 lb, NB = 308 lb
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8.


The crane provides a long-reach capacity by using the telescopic boom segment DE. The entire boom is supported by a pin at A and by the telescopic hydraulic cylinder BC, which can be considered as a two-force member. The rated load capacity of the crane is measured by a maximum force developed in the hydraulic cylinder. If this maximum force is developed when the boom supports a mass m = 6 Mg and its length is l = 40 and = 60°, determine the greatest mass that can be supported when the boom length is extended to l = 50 m and = 45°. Neglect the weight of the boom and the size of the pulley at E. Assume the crane does not overturn. Note: when = 60° BC is vertical; however, when = 45° this is not the case.

A. m = 7.50 Mg
B. m = 4.80 Mg
C.
m = 3.26 Mg
D. m = 4.61 Mg
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9.


A Russell's traction is used for immobilizing femoral fractures C. If the lower leg has a weight of 8 lb, determine the weight W that must be suspended at D in order for the leg to be held in the position shown. Also, what is the tension force F in the femur and the distance which locates the center of gravity G of the lower leg? Neglect the size of the pulley at B.

A.
x = 1.44 ft, w = 10.8 lb, F = 12.61 lb
B. x = 1.33 ft, w = 15.76 lb, F = 20.0 lb
C. x = 1.56 ft, w = 9.75 lb, F = 12.69 lb
D. x = 0.869 ft, w = 6.44 lb, F = 5.03 lb
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10.


There is a ball and socket connection at A. At B there is a roller that prevents motion in the —z direction. Corner C is tied to D by a rope. The triangle is weightless. Determine the unknown force components acting at A, B, and C. Use a scalar analysis.

A. Ax = 0, Ay = 0, Az = 267 N, Bz = 150 N, FDC = 283 N
B. Ax = 0, Ay = 0, Az = 450 N, Bz = 800 N, FDC = 550 N
C.
Ax = 0, Ay = 0, Az = 200 N, Bz = 200 N, FDC = 300 N
D. Ax = 0, Ay = 0, Az = 467 N, Bz = 350 N, FDC = 117.1 N

11.


If the boom in the previous problem is to remain horizontal when the stone S is removed, what is x?

A.
x = 1.180 m
B. x = 2.500 m
C. x = 0.340 m
D. x = 0.660 m
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12.


Compute the horizontal and vertical components of force at pin B. The belt is subjected to a tension of T=100 N and passes over each of the three pulleys.

A. Bx = 0 N, By = 141.4 N
B.
Bx = -15.89 N, By = 120.7 N
C. Bx = 20.7 N, By = 157.3 N
D. Bx = 0, By = 100.0 N
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13.


The oil rig is supported on the trailer by the pin or axle at A and the frame at B. If the rig has a weight of 115,000 lb and the center of gravity at G, determine the force F that must de developed along the hydraulic cylinder CD in order to start lifting the rig (slowly) off B toward the vertical. Also compute the horizontal and vertical components of reaction at the pin A.

A.
Ax = 343 kip, Ay = -172.5 kip, FCD = 447 kip
B. Ax = 205 kip, Ay = -57.5 kip, FCD = 268 kip
C. Ax = 241 kip, Ay = -172.5 kip, FCD = 375 kip
D. Ax = 220 kip, Ay = -70.1 kip, FCD = 288 kip

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Next set of question is

Internal Force

1.


Determine the internal axial force, shear force, and moment at point F of the frame.

A.
AF = 0, VF = 750 lb, MF = 750 lb-ft
B. AF = 1500 lb, VF = 0, MF = 4500 lb-ft
C. AF = 0, VF = 1500 lb, MF = 4500 lb-ft
D. AF = 750 lb, VF = 0, MF = 750 lb-ft
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2.


The work platform supports an 80-kg man having a mass center at G. Determine the axial force, shear force, and bending moment at point E of the telescopic column AB due to the load of the man only.

A.
AE = 785 N C, VE = 0, ME = 785 N-m
B. AE = 785 N C, VE = 392 N, ME = 0
C. AE = 785 N T, VE = 392 N, ME = 0
D. AE = 785 N T, VE = 0, ME = 785 N-m
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3.


Determine the internal axial force, shear force, and moment at point E of the oleo strut AB of the aircraft landing gear.

A. AE = 9.33 kip C, VE = 8.00 kip, ME = 80.0 kip-in.
B. AE = 11.11 kip T, VE = 6.67 kip, ME = 66.7 kip-in.
C. AE = 9.33 kip T, VE = 8.00 kip, ME = 80.0 kip-in.
D.
AE = 11.11 kip C, VE = 6.67 kip, ME = 66.7 kip-in.
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4.


A force of 500 N acts at the top of the two-member frame. If the members are in smooth contact with one another at A, B, and C with no fasteners, determine the shear force developed at a horizontal section through point D of the support. Also, what are the axial force, shear force and moment at point E?

A. VD = 250 N, AE = 250 N, VE = 333 N, ME = 316 N-m
B.
VD = 333 N, AE = 333 N, VE = 250 N, ME = 267 N-m
C. VD = 333 N, AE = 333 N, VE = 250 N, ME = 200 N-m
D. VD = 250 N, AE = 250 N, VE = 333 N, ME = 267 N-m
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5.


The axial forces act on the shaft as shown. Determine the internal axial force at points A and B.

A. AA = 0, AB = 10 lb C
B. AA = 0, AB = 10 lb T
C. AA = 10 lb C, AB = 0
D.
AA = 10 lb T, AB = 0

Best of luck

Next topic is Center of Gravity and Centroid


1.


Determine the approximate amount of paint needed to cover the surface of the water storage tank. Assume that a liter of paint covers 2.5 m2. Also, what is the total inside volume of the tank.

A. 27.6 liters of paint, V = 52.6 m3
B. 20.1 liters of paint, V = 50.3 m3
C.
26.4 liters of paint, V = 56.5 m3
D. 25.1 liters of paint, V = 55.0 m3
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2.


Determine the distance to the centroid axis of the beam's cross-sectional area. Neglect the size of the corner welds at A and B for the calculation.

A. = 75.2 mm
B. = 97.5 mm
C.
= 85.9 mm
D. = 102.5 mm
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3.


Locate the centroid of the shaded area.

A. = 0.667 m, = 2.40 m
B. = 0.500 m, = 2.80 m
C.
= 0.800 m, = 2.00 m
D. = 0.600 m, = 2.60 m
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4.


Determine the volume of concrete needed to construct the circular curb.

A.
V = 1.083 m3
B. V = 1.309 m3
C. V = 1.756 m3
D. V = 8.67 m3
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5.


Determine the distance to the centroidal axis of the beam's cross-sectional area.

A. = 112.3 mm
B. = 125.0 mm
C. = 100.0 mm
D.
= 91.7 mm


6.


The truss is made from seven members, each having a mass of 6 kg/m. Locate the position (,) of the center of mass. Neglect the mass of the gusset plates at the joints.

A. = 2.36 m, = 1.286 m
B. = 2.33 m, = 1.333 m
C.
= 2.43 m, = 1.308 m
D. = 2.79 m, = 1.757 m
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7.


Locate the center of gravity of the volume generated by revolving the shaded area about the z axis. The material is homogeneous.

A. = 2.80 ft
B. = 2.50 ft
C.
= 2.67 ft
D. = 3.00 ft
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8.


Locate the center of gravity of the homogeneous "bell-shaped" volume formed by revolving the shaded area about the y axis.

A.
= 3.33 ft
B. = 2.80 ft
C. = 3.20 ft
D. = 3.00 ft
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9.


Locate the centroid of the exparabolic segment of area.

A. = -4a/5, = -b/4
B.
= -3a/4, = -3b/10
C. = -2a/3, = -b/3
D. = -5a/7, = -3b/8

Best of luck

next topic is KOP


1.


A race car starting from rest moves along a straight track with an acceleration as shown in the graph (where for t 10 s, a = 8 m/s2). Determine the time t for the car to reach a speed of 50 m/s.

A.
t = 11.25 s
B. t = 6.25 s
C. t = 12.5 s
D. t = 3.53 s
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2.


A two-stage missile is fired vertically from rest with an acceleration as shown in the graph. In 15 s the first stage A burns out and the second stage B ignites. How fast is the rocket moving and how far has it gone at t = 20 s? How fast is the missile moving and how far has it gone at t = 20 s?

A. v = 430 m/s, s = 4.30 km
B.
v = 395 m/s, s = 3.69 km
C. v = 360 m/s, s = 3.60 km
D. v = 500 m/s, s = 5.00 km
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3.


The cylindrical cam C is held fixed while the rod AB and bearings E and F rotate about the vertical axis of the cam at a constant rate of = 4 rad/s. If the rod is free to slide through the bearings, determine the magnitudes of the velocity and acceleration of the guide D on the rod as a function of . The guide follows the groove in the cam, and the groove is defined by the equations r = 0.25 ft and z = (0.25 cos ) ft.

A.

B. v = cos ft/s, a = 4.00 sin ft/s2
C. v = sin ft/s, a = 4.00 cos ft/s2
D. v = 1.000 ft/s, a = 4.00 ft/s2
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4.


If the hoist H is moving upward at 6 ft/s, determine the speed at which the motor M must draw in the supporting cable.

A. VP/H = 6 ft/s
B. VP/H = 2 ft/s
C. VP/H = 12 ft/s
D.
VP/H = 18 ft/s
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5.


A package is dropped from the plane which is flying with a constant horizontal velocity of vA = 150 ft/s at a height h = 1500 ft. Determine the radius of curvature of the path of the package just after it is released from plane at A.

A. 2 = 9860 ft
B. 2 = 3000 ft
C. 2 = 1500 ft
D.
2 = 8510 ft


6.


A passenger in the automobile B observes the motion of the train car . At the instant shown, the train has a speed of 18 m/s and is reducing its speed at a rate of 1.5 m/s2. The automobile is accelerating at 2 m/s2 and has a speed of 25 m/s. Determine the velocity and acceleration of A with respect to B. The train is moving along a curve of radius = 300 m.

A. vA/B = (25.0i+18.00j) m/s, aA/B = (2.00i-1.500j) m/s2
B. vA/B = (25.0i+18.00j) m/s, aA/B = (0.920i-1.500j) m/s2
C. vA/B = (-25.0i-18.00j) m/s, aA/B = (-2.00i+1.500j) m/s2
D.
vA/B = (-25.0i-18.00j) m/s, aA/B = (-0.920i+1.500j) m/s2
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7.


The v-s graph for a rocket sled is shown. Determine the acceleration of the sled when s = 100 m and s = 175 m.

A. a100 = 3.75 m/s2, a175 = -1.250 m/s2
B.
a100 = 11.11 m/s2, a175 = -25.0 m/s2
C. a100 = 0.333 m/s2, a175 = -1.000 m/s2
D. a100 = 33.3 m/s2, a175 = -25 m/s2
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8.


From experimental data, the motion of a jet plane while traveling along a runway is defined by the v-t graph shown. Find the position s and the acceleration a when t = 40 s.

A. s = 2.80 km, a = 2.00 m/s2
B.
s = 2.80 km, a = 0
C. s = 2.80 km, a = 2.67 m/s2
D. s = 2.80 km, a = 8.37 m/s2
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9.


The pilot of flighter plane F is following 1.5 km behind the pilot of bomber B. Both planes are originally traveling at 120 m/s. In an effort to pass the bomber, the pilot in F gives his plane a constant acceleration of 12 m/s2. Determine the speed at which the pilot in the bomber sees the pilot of the fighter plane pass at the start of the passing operation the bomber is decelerating at 3 m/s2. Neglect the effect of any turning.

A. vF/B = 150 m/s
B. vF/B = 367 m/s
C. vF/B = 90 m/s
D.
vF/B = 212 m/s
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10.


A car, initially at rest, moves along a straight road with constant acceleration such that it attains a velocity of 60 ft/s when s = 150 ft. Then after being subjected to another constant acceleration, it attains a final velocity of 100 ft/s when s = 325 ft. Determine the average velocity and average acceleration of the car for the entire 325-ft displacement.

A. vavg = 80.0 ft/s, aavg = 15.15 ft/s2
B.
vavg = 45.2 ft/s, aavg = 13.91 ft/s2
C. vavg = 80.0 ft/s, aavg = 12.57 ft/s2
D. vavg = 55.0 ft/s, aavg = 15.15 ft/s2

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next topic also contain question like before itself

11.


The motorcyclist attempts to jump over a series of cars and trucks and lands smoothly on the other ramp, i.e., such that his velocity is tangent to the ramp at B. Determine the launch speed vA necessary to make the jump.

A. vA = 11.90 m/s
B. vA = 11.07 m/s
C.
vA = 16.83 m/s
D. vA = 15.66 m/s
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12.


If the end of the cable at A is pulled down with a speed of 2 m/s, determine the speed at which block B arises.

A. vB = 4.00 m/s
B.
vB = 1.000 m/s
C. vB = 1.000 m/s
D. vB = 4.00 m/s
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13.


A package is dropped from the plane which is flying with a constant horizontal velocity of vA = 150 ft/s at a height h = 1500 ft. Determine the radius of curvature of the path of the package just before it is released from plane at A.

A. A = 9860 ft
B. A = 3000 ft
C. A = 1500 ft
D.
A = 8510 ft
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14.


For a short time the position of a roller-coaster car along its path is defined by the equations r = 25 m, = (0.3t) rad, and z = (-8 cos) m, where t is measured in seconds, Determine the magnitudes of the car's velocity and acceleration when t = 4s.

A.
v = 7.83 m/s, a = 2.27 m/s2
B. v = 9.74 m/s, a = 2.51 m/s2
C. v = 7.50 m/s, a = 2.25 m/s2
D. v = 5.26 m/s, a = 1.989 m/s2
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15.


The flight path of a jet aircraft as it takes off is defined by the parmetric equations x = 1.25 t2 and y = 0.03 t3, where t is the time after take-off, measured in seconds, and x and y are given in meters. At t = 40 s (just before it starts to level off), determine at this instant (a) the horizontal distance it is from the airport, (b) its altitude, (c) its speed and (d) the magnitude of its acceleration.

A. x = 2.00 km, y = 1.92 km, v = 100.0 m/s, a = 2.50 m/s2
B. x = 2.00 km, y = 1.92 km, v = 144.0 m/s, a = 7.20 m/s2
C.
x = 2.00 km, y = 1.92 km, v = 175.0 m/s, a = 7.62 m/s2
D. x = 2.00 km, y = 1.92 km, v = 32.9 m/s, a = 7.90 m/s2

16.


The slotted link is pinned at O, and as a result of rotation it drives the peg P along the horizontal guide. Compute the magnitude of the velocity and acceleration of P along the horizontal guide. Compute the magnitudes of the velocity and acceleration of P as a function of if = (3t) rad, where t is measured in seconds.

A. v = 0.500 sec2 m/s, a = 1.000 sec2 tan m/s2
B. v = 1.500 sec m/s, a = 9.00 sec tan m/s2
C. v = 1.500 sec tan m/s, a = 9.00 sec tan m/s2
D.
v = 1.500 sec2 m/s, a = 9.00 sec2 tan m/s2
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17.


A sled is traveling down along a curve which can be approximated by the parabola y = x2. When point B on the runner is coincident with point A on the curve (xA = 2m, yA = 1 m), the speed if B is measured as vB = 8 m/s and the increase in speed is dvB/dt = 4 m/s2. Determine the magnitude of the acceleration of point B at this instant.

A. a = 8.94 m/s2
B.
a = 12.00 m/s2
C. a = 16.10 m/s2
D. a = 8.16 m/s2
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18.


A ball thrown vertically upward from the top of a building with an initial velocity of vA = 35 ft/s. Determine (a) how high above the top of the building the ball will go before it stops at B, (b) the time tAB it takes to reach its maximum height, and (c) the total time tAC needed for it to reach the ground at C from the instant it is released.

A. h = 62.4 ft, tAB = 3.57 s, tAC = 7.14 s
B. h = 19.02 ft, tAB = 1.087 s, tAC = 2.17 s
C.
h = 19.02 ft, tAB = 1.087 s, tAC = 3.30 s
D. h = 62.4 ft, tAB = 3.57 s, tAC = 8.56 s
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19.


When the motorcyclist is at A he increases his speed along the vertical circular parth at the rate of v = (0.3t)ft/s2, where t is in seconds. If he starts from rest when he is at A, determine his velocity and acceleration when he reaches B.

A. v = 51.1 ft/s2, a = 9.83 ft/s2
B. v = 51.1 ft/s2, a = 8.18 ft/s2
C.
v = 51.1 ft/s2, a = 10.31 ft/s2
D. v = 51.1 ft/s2, a = 8.69 ft/s2
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20.


A ball is thrown downward on the 30° inclined plane so that when it rebounds perpendicular to the incline it has a velocity of vA = 40 ft/s. Determine the distance R where it strikes the plane at B.

A.
R = 66.3 ft
B. R = 99.4 ft
C. R = 172.1 ft
D. R = 344 ft

Best of luck, if you can't find the answer reply me,i will send the answer

next topic is Friction


.


The boy at D has a mass of 50 kg, a center of mass at G, and stands on a plank at the position shown. The plank is pin-supported at A and rests on a post at B. Neglecting the weight of the plank and post, determine the magnitude of force P his friend (?) at E must exert in order to pull out the post. Take B = 0.3 and C = 0.8.

A. P = 360 N
B.
P = 264 N
C. P = 229 N
D. P = 293 N
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2.


A uniform beam has a mass of 18 kg and rests on two surfaces at points A and B. Determine the maximum distance x to which the girl can slowly walk up the beam before it begins to slip. The girl has a mass of 50 kg and walks up the beam with a constant velocity.

A. x = 0.678 m
B. x = 0.508 m
C.
x = 1.005 m
D. x = 0.712 m
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3.


Determine the minimum force F needed to push the two 75-kg cylinders up the incline. The force acts parallel to the plane and the coefficients of friction at the contacting surfaces are A = 0.3, B = 0.25, C = 0.4. Each cylinder has a radius of 150 mm.

A. F = 919 N
B. F = 735 N
C.
F = 1.051 kN
D. F = 981 N
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4.


The refrigerator has a weight of 200 lb and a center of gravity at G. Determine the force P required to move it. Will the refrigerator tip or slip? Take = 0.4.

A. P = 75 lb Slips
B. P = 80 lb Tips
C. P = 80 lb Slips
D.
P = 75 lb Tips
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5.


A 17-kg ladder has a center of mass at G. If the coefficients of friction at A and B are A = 0.3 and B = 0.2, respectively, determine the smallest horizontal force that the man must exert of the ladder at point C in order to push the ladder forward.

A. F = 120.2 N
B. F = 288 N
C. F = 166.8 N
D.
F = 204 N

best of luck

next topic is piping diagram

1.
This type of pipe is commonly used for water, steam, oil, and gas:

A. Wrought iron or copper
B. PVC or steel
C.
Steel or wrought iron
D. Copper or PVC
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2.
These types of pipes are generally connected with bell and spigot joints or flanged joints:

A. Soil and waste
B.
Water and gas
C. Water and steam
D. Gas and soil
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3.
When dimensioning piping drawings, you give the lengths of all runs of this type:

A.
Straight
B. Angular
C. Filleted D. Transverse
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4.
In this type of drawing, vertical pipes may be revolved into the horizontal plane:

A. Standard view
B. Elevation view
C. Transverse piping
D.
Developed piping
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5.
This type of drawing shows two lines representing the pipe diameter:

A. Single-line
B.
Double-line
C. Standard piping
D. Centerline piping



6.
This is used in applications for nonferrous construction:

A.
Copper tubing
B. Steel pipe
C. PVC pipe
D. Iron tubing
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7.
This type of pipe is commonly used for water or gas service, and also as soil pipe:

A. PVC B. Copper
C. Steel D.
Cast-iron
If you can't able to find the answer message me, i will send the reply

next is projection



1.
The top, front, and bottom views align in this manner:

A. Horizontally
B.
Vertically
C. According to the planar views
D. Parallel to the frontal plane
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2.
If a plane is parallel to the plane of projection, it appears:

A.
True size
B. As a line or edge
C. Foreshortened
D. As an oblique surface
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3.
This line pattern is composed of three dashes, one long dash on each end with a short dash in the middle:

A. Object B. Hidden
C.
Center
D. Phantom
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4.
This is the plane upon which the top view is projected:

A.
Horizontal
B. Frontal
C. Profile D. Base
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5.
An advantage of this type of view is that each view shows the object all the way through as if it were transparent:

A. Planar B. Horizontal
C. Auxiliary D.
Orthographic

best of luck, check for answer, if you can't able to find, reply me i will send you the answer

Hi Abdul,

This time HPCL will be recruiting the Officer Trainee's only on the basis of GATE scores. So you need to apply for GATE and score good marks to get in HPCL.

Originally Posted by abdulrasheedak

What is the syllabus for office trainee exam of HPCL?what are the important subject for the candidates who belongs to mechanical stream in engineering?

Engineering Materials: Structure and properties of engineering materials, heat treatment, stress-strain diagrams for engineering materials.
Metal Casting: Design of patterns, moulds and cores; solidification and cooling; riser and gating design, design considerations.
Forming: Plastic deformation and yield criteria; fundamentals of hot and cold working processes; load estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing, deep drawing, bending) metal forming processes; principles of powder metallurgy.
>Joining: Physics of welding, brazing and soldering; adhesive bonding; design considerations in welding.
Machining and Machine Tool Operations: Mechanics of machining, single and multi-point cutting tools, tool geometry and materials, tool life and wear; economics of machining; principles of non-traditional machining processes; principles of work holding, principles of design of jigs and fixtures
Metrology and Inspection: Limits, fits and tolerances; linear and angular measurements; comparators; gauge design; interferometry; form and finish measurement; alignment and testing methods; tolerance analysis in manufacturing and assembly.
Computer Integrated Manufacturing: Basic concepts of CAD/CAM and their integration tools.
Production Planning and Control: Forecasting models, aggregate production planning, scheduling, materials requirement planning.
Inventory Control: Deterministic and probabilistic models; safety stock inventory control systems.
Operations Research: Linear programming, simplex and duplex method, transportation, assignment, network flow models, simple queuing models, PERT and CPM.

sir please send me the imp mechanical questions and answers to my mail ([email protected])

determine the supporting forces at a,c,d,g,f,and h for the structure.c,d,h and g are ball joint connections.

The slotted link is pinned at O, and as a result of rotation it drives the peg P along the horizontal guide. Compute the magnitude of the velocity and acceleration of P along the horizontal guide. Compute the magnitudes of the velocity and acceleration of P as a function of if = (3t) rad, where t is measured in seconds.

A. v = 0.500 sec2 m/s, a = 1.000 sec2 tan m/s2
B. v = 1.500 sec m/s, a = 9.00 sec tan m/s2
C. v = 1.500 sec tan m/s, a = 9.00 sec tan m/s2
D.
v = 1.500 sec2 m/s, a = 9.00 sec2 tan m/s2
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