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231.

In a car, transmission losses will be minimum in

A.	Direct gear	B.	First gear
C.	Second gear	D.	Third gear

232.

Which of the following gears is free from axial thrust

233.

A pulley in a belt-drive acts as a

A.	sliding pair	B.	rolling pair
C.	Cylindrical pair	D.	wrapping pair

234.

Klien's construction gives graphical construction for

235.

In a slider-crank mechanism

A.	there are 4 turning pairs	B.	one is a turning pair and 3 sliding pairs
C.	two turning pairs and two sliding pairs	D.	None of the above

236.

In the Crossby engine indicator which one of the following mechanism is used?

A.	Slider-crank mechanism	B.	Scotch yoke mechanism
C.	Scotch yoke mechanism	D.	Modified pantograph mechanism
E.	None of the above

237.

In the case of an automobile power is transmitted from the gear box to the differential through

A.	Bevel gears	B.	Hooke's joint
C.	Oldham's coupling	D.	None of the above

238.

In a radial cam with a roller on follwer the prime circle can be defined as

A.	the smallest circle tangent to the pitch curve	B.	the smallest circle tangent to the cam profile
C.	a circle drawn with radius equal to the distance between the pitch point and the centre of base circle	D.	None of the above

239.

In a pin jointed mechanism, the line of thrust on a link is

A.	tangential to the friction circles at the ends	B.	along the friction axis
C.	inclined to axis of link by an angle ?, known as angle of friction	D.	All the above

240.

The frictional torque transmitted by a cone clutch is the same as that of

A.	flat collar bearing	B.	conical pivot bearing
C.	truncated conical pivot bearing	D.	None of the above