Theory of Machines MCQ with Answers

Theory of Machines MCQ with Answers

171) In a mechanism, the fixed instantaneous centres are those centres which

Answer is:

remain in the same place for all configurations of the mechanism

172) Which of the following statements regarding laws governing the friction between dry surfaces are correct?

Answer is:

all of the above

Explanation:

In laws governing the friction between dry surfaces
* The friction force is dependent on the materials of the contact surfaces.
* The friction force is directly proportional to the normal force.
* The friction force is independent of me area of contact.

173) A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a

Answer is:

kinematic chain

174) A link or element need not to be a rigid body, but it must be a resistant body.

Answer is:

Agree

175) Which of the following statement is correct for gears ?

Answer is:

all of the these

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