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141.

The number of driving wheels in case of a 4 - 10 - 2 locomotive will be

A.	2	B.	4
C.	6	D.	10

142.

On railways a dynamometer car is used for

A.	dinning facilities	B.	recording the condition of track
C.	tourists	D.	military purpose

143.

The sinuous path taken by an engine as against the alignment of the track is known as

A.	Rolling motion	B.	Nosing motion
C.	Lurching motion	D.	Hunting motion

144.

Which of the following resistance depends on the train speed?

A.	Journal friction	B.	Track resistance
C.	Frictional resistance	D.	all of the above

145.

Which of the following condition of rail surface will offer the least resistance?

A.	Very wet	B.	Very dry
C.	Average dampness	D.	Greasy

146.

For railway track, the sleepers are made of

A.	wood	B.	cast iron
C.	RCC	D.	Any of the above

147.

Which of the following types of rail is not used on broad gauge?

A.	115 R	B.	90 m
C.	60 R	D.	75 R

148.

All of the following could be the reasons for the formation of kinks in a rail EXCEPT:

A.	Loose packing at joint	B.	Temperature variation
C.	Defect in gauge alignment	D.	Uneven wear of the rail head

149.

The phenomenon of misalignment of rails due to temperature changes is known as

A.	Creeping	B.	Cropping
C.	Buckling	D.	Hogging

150.

Wood preferred for sleepers is

A.	Chir	B.	Shesham
C.	Sal	D.	Deodar