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171.

The basic shaft is

A.	One which has no upper deviation	B.	One which has no lower deviation
C.	One which has least deviation on both upper and lower side	D.	Does not exist
E.	None of the above

172.

The basic hole is one which has

A.	Upper deviation as zero	B.	Lower deviation as zero
C.	Lower as well as upper deviation within narrow limits	D.	Lower as well as upper deviation are zero
E.	None of the above

173.

The units of dynamic viscosity are

174.

A V-belt having B section is generally used when the power to be transmitted is in the range

175.

A V-belt designated as C 120 will have

A.	120 mm as the dia of small pulley	B.	120 cm as the length of belt
C.	120 inch as the length of belt	D.	120 cm as the centre distance between pulleys
E.	None of the above

176.

The chain used in motor cycles is generally

177.

In cross or regular lay ropes

A.	The direction of twist in wires in strands is the same as the direction of twist of strands	B.	The direction of twist in wires in strands is opposite to the direction of twist of strands
C.	Wires in two adjacent strands are twisted in opposite direction	D.	Wires are never twisted
E.	Only one wire is twisted and wrapped around

178.

The pitch circle of a cam is

A.	The smallest circle drawn to the pitch curve	B.	Thesmallest circle drawn to the cam profile from the centre of rotation of a radial cam
C.	The circle fitting in the cam profile	D.	The circle with centre as the centre of cam axis and radius such that it passes through the point
E.	None of the above

179.

The cam angle is

A.	The angle subtended by the live portion of the cam for a definite displacement of the follower	B.	The angle subtended by live portion of the cam at the cam centre
C.	The angle subtended at the cam centre by the protion of the cam during which the follower moves	D.	The angle subtended by the cam at the cam centre when the follower dwells
E.	None of the above

180.

Oldham's coupling is used to cannect two shafts which

A.	Have lateral misalignment	B.	Have two axes intersecting
C.	Have lateral movement during power transmission	D.	Changes axes during power transmission
E.	Are not in exact alignment