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21.

In an at tomobile the power is transmitted from gear box to differential through

22.

A piston and cylinder in a slider crank mechanism form a

23.

A shaft revolving in a bearing forms a

24.

Which one of the following is the inversion of slider crank mechanism

A.	Reciprocating internal combustion engine	B.	Crank and slotted level mechanism
C.	Whitworth quick return mechanism	D.	(A) and (B) above
E.	(A), (B) and (C) above

25.

If there are L number of links in a mechanism, then the number of possible inversions would be

26.

A pantograph is a mechanism or a kinematic arrangement comprising

27.

Which one of the following is a higher pair?

A.	Thomoson indicator mechanism	B.	Double McInnes Indicator mechanism
C.	Hart's straight line mechanism	D.	Crossby indicator mechanism
E.	Tooth gearing mechanism

28.

The sense of tangential acceleration of a link

A.	Is the same as that of velocity	B.	Is opposite to the velocity
C.	Could be either the same or opposite to velocity	D.	Is always in a plane perpendicular to the plane of motion
E.	None of the above

29.

The mechanism used to enlarge or reduce moments for reproducing drawings to different scales is known as

30.

The number of links in a pantograph is equal to