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251.

In the Laminated springs, the flat plates of different lengths are provided for

A.	Economy	B.	Appearance
C.	Reducing bulk	D.	Reducing deflection
E.	Equal distribution of stress

252.

A close coiled helical spring is compressed. Its wire is subjected to

A.	Compression	B.	Tension
C.	Shear	D.	Biaxial
E.	Torque

253.

Springs are used

A.	To store energy	B.	To reduce the magnitude of the transmitted force due to impact orshock
C.	To alter vibratory characteristics of a member	D.	To apply force or control motion
E.	Any of the above

254.

Normally a spring operates within

A.	Elastic limits	B.	Plastic limits
C.	Elasto-plastic limits	D.	Visco-elastic limits
E.	Para-elastic limits

255.

In case of springs in order to achieve greater load carrying capacity when the outer diameter is limited

A.	Square section is used	B.	Elliptical section is used
C.	Rectangular section is used	D.	Concentric springs are used
E.	None of the above

256.

Where a spring with a spring rate that increases with load is desired

A.	Soft springs are used	B.	Non-ferrous springs are used
C.	Elliptical section is preferred	D.	Conical spring are used
E.	None of the above

257.

Spring index is

A.	Load carrying capacity of a spring	B.	The ratio of coil diameter to wire diameter
C.	The ratio of coil diameter to wire diameter	D.	The ratio of free length to that under design load
E.	An indication of the equality of springs

258.

A block weighing 1000 kg rests on a horizontal surface. The coefficient of friction is 0.3 (both static and kinetic). What frictional force will be developed if the force applied to the block in the direction parallel to the horizontal surface is 40 kg

A.	30 kg	B.	33.33 kg
C.	40 kg	D.	12 kg
E.	10 kg

259.

The locomotive wheel tires are fitted as

A.	Loose fit	B.	Free fit
C.	Shrink fit	D.	Snug fit
E.	Wringing fit

260.

Wringing fit is common in

A.	Slip gauges	B.	Ball bearings
C.	Automobile wheel rims	D.	Roller bearing
E.	Piston pins