Mechanical System Design Test Questions

Q.  What is the purpose of using a gear box?

a. To increase torque
b. To increase speed
c. Converts single input speed into multiple output speeds
d. All of the above


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  A particle moving with respect to fixed frame of reference is called as __________
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MCQs:  A boat sails across a river with a velocity of 10 km/hr. If resultant boat velocity is 14 km/hr, then what is the velocity of river water?
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MCQs:  According to which law, every action has an equal and opposite reaction?
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MCQs:  A man of 60 kg moves in a lift of constant velocity 5 m/s. What is the reactive force acting on the man by the elevator?
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MCQs:  When motion is _______, the normal component of acceleration is zero.
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MCQs:  In projectile motion, which of the following factors affecting the actual path of motion are neglected?
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MCQs:  Which of the following is represented by the area under force-displacement diagram?
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MCQs:  According to work energy principle, a particle of mass m when subjected to unbalanced force system, the work done during displacement by all forces is equal to change in ____________ during displacement.
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MCQs:  The force for which work done is independent of _______ is called as conservative force.
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MCQs:  A ball is dropped on a horizontal surface from a height of 15 m. What will be the rebounding height of the ball after striking the surface? (coefficient of restitution = 0.8)
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MCQs:  Which of the following laws derive impulse moment principle?
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MCQs:  If a body in equilibrium condition is acted by three forces at three points, then the line of action of these forces should be _____
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MCQs:  According to Lami's theorem, a body is in equilibrium condition if each force among three ____________ are proportional to sine angle between other two.
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MCQs:  If n > 2j – R, then the truss is called as _________. (n = number of joints, j = number of members, R = number of reaction components)
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MCQs:  Which of the following statements is false about frame/truss?
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MCQs:  Which motion has magnitude of static frictional force directly proportional to normal reaction?
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MCQs:  Frictional force depends on ________
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MCQs:  Which of the following conditions do not change the effect of couple?
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MCQs:  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?
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MCQs:  What is the angle made by side of a square lamina, if it is freely suspended from a corner with the horizontal?
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