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41.

A standard rail point should

A.	be as strong as the other portion of the track	B.	have just enough rail gap between two rails
C.	have the same elasticity as the other portion of the track	D.	all of the above

42.

In U.S.A., rails used are

A.	20 m	B.	30 m
C.	40 m	D.	50 m

43.

The joint generally not used on Indian railway is

A.	supported joint	B.	suspended joint
C.	base joint	D.	bridge joint

44.

Staggered rail joints are generally provided on curves.

Correct

Incorrect

45.

In supported rail joint, both the ends of adjoining rails are supported on a

A.	single sleeper	B.	single fish plate
C.	double sleeper	D.	none of these

46.

Between two rails, a gap of

A.	1.5 mm to 3 mm	B.	3 mm to 6 mm
C.	6 mm to 9 mm	D.	9 mm to 12 mm

47.

Two fish plates are fixed at each rail joint with eight fish bolts.

Right

Wrong

48.

No sleeper is placed just below the rail joint, as it will cause

A.	more impact	B.	discomfort to passengers
C.	either (a) or (b)	D.	both (a) and (b)

49.

The main purpose of welding rails is to

A.	build up the worn - out parts of points and crossings	B.	build up the battered or worn heads of rail ends
C.	to rebuild those portions of rail ends, which re burnt due to slipping of wheels at the time of applying brakes	D.	all of the above

50.

A welded rail joint is generally

A.	supported on a sleeper	B.	suspended
C.	supported on a metal plate	D.	none of these