341) When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will

return to equilibriumposition without oscillation

oscillate with increasing time period

oscillate with decreasing amplitude

oscillate with constant amplitude

Answer is:

oscillate with increasing time period

Theory of Machines MCQ with Answers

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343) When the particles of a body moves perpendicular to its axis, then the body is said to have

longitudinal vibration

transverse vibration

torsional vibration

none of these

Answer is:

transverse vibration

Explanation:

A vibration in which the element moves to and fro in a direction perpendicular to the direction of the advance of the wave is called transverse vibration.

When the particles of a body moves perpendicular to its axis, then the body is said to have

344) A sliding pair has a completely constrained motion.

Yes

Unknown

None

Answer is:

Yes

Explanation:

When the motion between a pair is limited to a definite direction irrespective of the direction of force applied, then the motion is said to be a completely constrained motion.