MCQOPTIONS
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MCQOPTIONS
This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering (MCQ) questions and answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What are the rectangular components of velocities in curvilinear motion? |
| A. | dx/dt and dy/dt |
| B. | dr/dt and d |
| C. | d |
| D. | none of the above |
| Answer» B. dr/dt and d | |
| 2. |
A body exerts a force of 800 N on the floor of the lift which moves upwards with a retardation of 2 m/s. What is mass of the body carried in the lift? |
| A. | 74.02 N |
| B. | 81.54 N |
| C. | 102.43 N |
| D. | None of the above |
| Answer» D. None of the above | |
| 3. |
If two concurrent forces A and B acting on a point are 200 N and 300 N. What is the magnitude of resultant force, if it makes an angle of 50 with each force? |
| A. | 471.08 N |
| B. | 455.12 N |
| C. | 400.56 N |
| D. | Insufficient data |
| Answer» C. 400.56 N | |
| 4. |
Cantilever beam has one end_________ and other end _______. |
| A. | hinged, free |
| B. | fixed, free |
| C. | fixed, hinged |
| D. | none of the above |
| Answer» C. fixed, hinged | |
| 5. |
At zero acceleration a particle moves along a straight line. What is the velocity of a particle at the position of x = t -20t + 42 ? |
| A. | + 48.68 m/sec |
| B. | - 48.68 m/sec |
| C. | + 42 m/sec |
| D. | - 42 m/sec |
| Answer» C. + 42 m/sec | |
| 6. |
What is the initial velocity of an object which travels a distance of 10t +15t + 5 along a straight line in time t? |
| A. | -10 |
| B. | +10 |
| C. | -15 |
| D. | +15 |
| Answer» E. | |
| 7. |
What is the maximum distance traveled by a block moving upwards on an inclined plane of 30 with velocity of 20 m/s, if coefficient of friction is 0.23 between the block and inclined plane? |
| A. | 29.19 m |
| B. | 22.56 m |
| C. | 17.32 m |
| D. | 17.00 m |
| Answer» B. 22.56 m | |
| 8. |
A particle moves along a path y = x 6x + 200. If v = 6 m/s , what is the value of v at x = 30? |
| A. | 354 m/s |
| B. | 300 m/s |
| C. | 324 m/s |
| D. | None of the above |
| Answer» D. None of the above | |
| 9. |
Indeterminate structures have number of unknown quantities _________available conditions of equilibrium. |
| A. | equal to |
| B. | less than |
| C. | more than |
| D. | none of the above |
| Answer» D. none of the above | |
| 10. |
What is the relation between tight side and slack side for a flat belt? |
| A. | (Tight side x slack side) = e |
| B. | (Tight side / slack side) = e |
| C. | (Tight side + slack side) = e |
| D. | None of the above |
| Answer» C. (Tight side + slack side) = e | |
| 11. |
A bus travels with a speed of 15 m/s when accelerated at 0.10 m/s from its rest position. What is the distance traveled? |
| A. | 1125 m |
| B. | 1000 m |
| C. | 2250 m |
| D. | None of the above |
| Answer» B. 1000 m | |
| 12. |
What is the distance traveled by an electron in first 4 seconds from its initial position, if velocity time relation is given asv = 3t? |
| A. | 12 m |
| B. | 15 m |
| C. | 20 m |
| D. | 24 m |
| Answer» E. | |
| 13. |
Force of 150 N moves a body in 5 sec along a straight line according to x = t - 60t. What is the mass of the moving body? |
| A. | 17.23 kg |
| B. | 15.23 kg |
| C. | 15 kg |
| D. | 5 kg |
| Answer» E. | |
| 14. |
If a particle moves along a curved path, then what will be the normal component of velocity acting on the particle, if magnitude of tangential component of velocity is 30 m/s at an angle of 50 with the vertical? |
| A. | 57.8 m/s |
| B. | 68.9 m/s |
| C. | 40.2 m/s |
| D. | None of the above |
| Answer» E. | |
| 15. |
What is the position of a particle A, if it moves along a path y = 2x / 3 with uniform velocity of 15 m/s?( Assume v = v) |
| A. | (0.33, 0.5) |
| B. | (0.235, 0.707) |
| C. | (0.577, 20.33) |
| D. | (0.707, 0.235) |
| Answer» E. | |
| 16. |
If n > 2j R, then the truss is called as _________.(n = number of joints, j = number of members, R = number of reaction components) |
| A. | perfect truss |
| B. | redundant truss |
| C. | deficient truss |
| D. | none of the above |
| Answer» C. deficient truss | |
| 17. |
Which of the following formulae is used determine the time of flight for projectile motion, when point of projection and point of landing are on same level of horizontal plane? |
| A. | (2u sin ) / g |
| B. | (u |
| C. | (2u sin ) / g cos |
| D. | 2ug sin |
| Answer» B. (u | |
| 18. |
The force for which work done is independent of_______ is called as conservative force. |
| A. | distance |
| B. | path |
| C. | time |
| D. | all of the above |
| Answer» C. time | |
| 19. |
What is the SI unit of linear momentum? |
| A. | kg.m |
| B. | kg.m / sec |
| C. | N.sec |
| D. | N.m.sec |
| Answer» C. N.sec | |
| 20. |
What is the kinetic energy at the highest point, if at an angle of 30 with the horizontal a ball is projected with a kinetic energy E? |
| A. | E / 2 |
| B. | E / 2 |
| C. | 5E / 4 |
| D. | 3E / 4 |
| Answer» E. | |
| 21. |
What is the minimum velocity attained by a ball thrown with velocity of 20 m/s at an angle of 40 with the horizontal? |
| A. | 15.32 m/s |
| B. | 12.85 m/s |
| C. | 16.78 m/s |
| D. | None of the above |
| Answer» B. 12.85 m/s | |
| 22. |
A block is displaced by 3 m when a force of 200 N is applied on it on an inclined surface which is at an angle of 50 with the horizontal. What is the work done? |
| A. | 385.67 Nm |
| B. | 459.62 Nm |
| C. | 933.00 Nm |
| D. | Insufficient data |
| Answer» B. 459.62 Nm | |