theory of machines MCQs – Page 8

Practise focused theory of machines questions with marked answers for exam preparation and subject revision.

theory of machines Mcqs
141. In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links_________________?
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A. will remain same

B. could change or remain unaltered depending oh which link is fixed

C. will change

D. none of the above

E. will not occur

142. The main disadvantage of the sliding pair is that it is_________________?
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A. A. and C. above

B. difficult to manufacture

C. wears rapidly

D. bulky

E. A. and B. above
143. Coriolis component of acceleration exists whenever a point moves along a path that has________________?
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A. linear displacement

B. rotational motion

C. tangential acceleration

D. centripetal acceleration

E. none of the above

144. Cylindrical cams can be classified as_________________?
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A. circular

B. tangent

C. all of the above

D. none of the above

E. reciprocating

145. Kinematic pairs are those which have___________________?
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A. minimum of two instantaneous centres

B. two elements having Coroilis com-ponent

C. all of the above

D. two elements having relative motion

E. two elements held together mechani-cally