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 coriolis component

vector sum of tangential component and coriolis component

vector sum of radial component and tangential component

vector difference of radial component and tangential component

Answer is:

vector sum of radial component and tangential component

Theory of Machines MCQ with Answers

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381) When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable.

remains constant

decreases

increases

none of these

Answer is:

decreases

382) The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

to dip the nose and tail

to raise the nose and tail

to raise the nose and dip the tail

to dip the nose and raise the tail

Answer is:

to raise the nose and dip the tail

383) A mechanism is an assemblage of

two links

three links

four or more than four links

all of these

Answer is:

four or more than four links

384) In a simple harmonic motion, the velocity vector with respect to displacement vector

is in phase

leads by 90 Degree

leads by 180 Degree

lags by 90 Degree

Answer is:

four or more than four links

Theory of Machines MCQ with Answers

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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

Related Theory of Machines MCQ with Answers

381) When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable.

decreases

382) The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

to raise the nose and dip the tail

383) A mechanism is an assemblage of

four or more than four links

384) In a simple harmonic motion, the velocity vector with respect to displacement vector

four or more than four links

Theory of Machines MCQ with Answers