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- Question
The power developed by a body acted upon by a torque T newton metre (N - m) and revolving at ? radian/s is given by
Options- A. T.? (in watts)
- B. T.?/60 (in watts)
- C. T.?/75 (in kilowatts)
- D. T.?/4500 (in kilowatts)
- Correct Answer
- T.? (in watts)
- 1. The time taken by a particle for one complete oscillation is known as periodic time.
Options- A. Agree
- B. Disagree Discuss
- 2. The ideal angle of banking provided on the curves on roads depends upon
Options- A. weight of the vehicle
- B. (velocity)2 of the vehicle
- C. nature of the road surface
- D. coefficient of friction between the road and vehicle contact point Discuss
- 3. The linear velocity of a body rotating at ? rad / s along a circular path of radius r is given by
Options- A. ?/r
- B. ?.r
- C. ?2/r
- D. ?2.r Discuss
- 4. The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is
Options- A. mr2/3
- B. 2mr2/3
- C. 2mr2/5
- D. 3mr2/5 Discuss
- 5. According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through centre of gravity (i.e. IP) is given by(where, A = Area of the section, IG = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.)
Options- A. IP = IG + Ah2
- B. IP = IG - Ah2
- C. IP = IG / Ah2
- D. IP = Ah2 / IG Discuss
- 6. The moment of inertia of a thin disc of mass m and radius r, about an axis through its centre of gravity and perpendicular to the plane of the disc is
Options- A. mr2/2
- B. mr2/4
- C. mr2/6
- D. mr2/8 Discuss
- 7. A non-reversible machine is also called a self-locking machine.
Options- A. Agree
- B. Disagree Discuss
- 8. When two elastic bodies collide with each other,
Options- A. the two bodies will momentarily come to rest after collision
- B. the two bodies tend to compress and deform at the surface of contact
- C. the two bodies begin to regain their original shape
- D. all of the above Discuss
- 9. The resultant of two equal forces P making an angle ?, is given by
Options- A. 2 P sin ? /2
- B. 2 P cos ? /2
- C. 2 P tan ? /2
- D. 2 P cot ? /2 Discuss
- 10. The maximum velocity of a particle moving with simple harmonic motion is
Options- A. ?
- B. ?r
- C. ?2r
- D. ?/r Discuss
Engineering Mechanics problems
Search Results
Correct Answer: Agree
Correct Answer: (velocity)2 of the vehicle
Correct Answer: ?.r
Correct Answer: 2mr2/3
Correct Answer: IP = IG + Ah2
Correct Answer: mr2/2
Correct Answer: Agree
Correct Answer: all of the above
Correct Answer: 2 P cos ? /2
Correct Answer: ?r
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