374) The instantaneous centres, which moves as the mechanism moves but joints are of permanent nature, are called permanent instantaneous centres.

Answer is:

Yes

Theory of Machines MCQ with Answers

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376) The pitching of a ship is assumed to take place with simple harmonic motion.

Answer is:

Yes

377) A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the same direction as that of wheels, men due to centrifugal force

the reaction on me inner wheels increases and on the outer wheels decreases

the reaction on the outer wheels increases and on the inner wheels decreases

the reaction on the front wheels increases and on the rear wheels decreases

the reaction on the rear wheels increases and on the front wheels decreases

Answer is:

the reaction on the outer wheels increases and on the inner wheels decreases

378) In order to give a complete secondary balance of a multi-cylinder in-line engine,

the algebraic sum of the secondary forces must be equal to zero

the algebraic sum of the couples about any point in the plane of the secondary forces must be equal to zero

the algebraic sum of the secondary forces must be equal to zero and the algebraic sum of the couples about any point in the plane of the secondary forces must be equal to zero

none of these

Answer is:

the algebraic sum of the secondary forces must be equal to zero and the algebraic sum of the couples about any point in the plane of the secondary forces must be equal to zero

379) A point B on a rigid link AB moves with respect to A with angular velocity ? rad/s. The total acceleration of B with respect to A will be equal to

Answer is:

vector sum of radial component and tangential component

Theory of Machines MCQ with Answers

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374) The instantaneous centres, which moves as the mechanism moves but joints are of permanent nature, are called permanent instantaneous centres.

Yes

Theory of Machines MCQ with Answers

Related Theory of Machines MCQ with Answers

376) The pitching of a ship is assumed to take place with simple harmonic motion.

Yes

377) A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the same direction as that of wheels, men due to centrifugal force

the reaction on the outer wheels increases and on the inner wheels decreases

378) In order to give a complete secondary balance of a multi-cylinder in-line engine,

the algebraic sum of the secondary forces must be equal to zero and the algebraic sum of the couples about any point in the plane of the secondary forces must be equal to zero

379) A point B on a rigid link AB moves with respect to A with angular velocity ? rad/s. The total acceleration of B with respect to A will be equal to

vector sum of radial component and tangential component

Theory of Machines MCQ with Answers