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131.

A diesel engine cannot be

A.	used as prime-mover on locomotives	B.	started on load
C.	more efficient than a petrol engine	D.	run on variable speed

132.

In case of diesel-electric locomotives

A.	power output of diesel engine is taken by dc generator	B.	electric motors serve as prime source of power
C.	electric motors as well diesel engine provide the propulsive power	D.	None of the above

133.

In case of Indian Railway diesel engines which type of diesel engine is used?

A.	V-type engine	B.	Radial type engine
C.	Multi-cylinder in line engine	D.	Wankel engine

134.

Bull headed rails are generally provided at

A.	curved tracks	B.	bridges
C.	bifurcation of tracks	D.	points and crossings

135.

The horse power to weight ratio of a steam engine is generally of the order of

A.	10 - 15 kg/HP	B.	20 - 30 kg/HP
C.	30 - 50 kg/HP	D.	60 - 80 kg/HP

136.

Which of the following locomotive has the best acceleration characteristics?

A.	Shunting engine	B.	Steam engine
C.	Electric engine	D.	Diesel engine

137.

Hammer blow occurs in

A.	diesel engines	B.	electric engines
C.	steam engines	D.	all engines

138.

The horse power to weight ratio of a diesel engine may be expected to be of the order of

A.	10 to 15 kg/HP	B.	25 to 35 kg/HP
C.	45 to 50 kg/HP	D.	85 to 100 kg/HP

139.

Tanker type wagons are used on railways for the transportation of

A.	grains	B.	powders
C.	fertilizers	D.	oils

140.

In case of broad gauge track the distance between the rails is

A.	0.762 metre	B.	1.0 metre
C.	1.562 metre	D.	1.676 metre