Question:

Rail chairs are used to fix

A.

flat footed rails

B.

bull headed rails

C.

double headed rails

D.

none of these

Answer» c. double headed rails

Question:

Generally, the rail section is designed by assuming that it can bear a load equal to

A.

100 times

B.

350 times

C.

460 times

D.

560 times

Answer» d. 560 times

Question:

The ballast material generally used on Indian railways consist of

A.

broken stone

B.

gravel

C.

moorum

D.

all of these

Answer» d. all of these

Question:

On Indian railways, the number of fish bolts used to connect one pair of fish plates to the rails are

A.

two

B.

four

C.

six

D.

eight

Answer» b. four

Question:

The minimum value of flangeway clearance is

A.

60 mm

B.

80 mm

C.

100 mm

D.

120 mm

Answer» a. 60 mm

Question:

If ? is the switch angle and R is the radius of the turn out, the length of tongue rail will be

A.

R tan ?

B.

R tan ? / 2

C.

R cot ?

D.

R cot ? / 2

Answer» b. R tan ? / 2

Question:

When one track is superimposed on the other track, it is known as

A.

ladder track

B.

double slip track

C.

Gaunlet track

D.

none of these

Answer» c. Gaunlet track

Question:

A three-throw requires

A.

two sets of switches and two crossings

B.

three sets of switches and two crossings

C.

two sets of switches and three crossings

D.

three sets of switches and three crossings

Answer» c. two sets of switches and three crossings

Question:

The number of dog spikes normally used per rail seat on curved track is

A.

one on either side

B.

one inside and two outside

C.

one outside and two inside

D.

two on either side

Answer» b. one inside and two outside

Question:

Anchors are also known as anti – creepers.

A.

Correct

B.

Incorrect

Answer» a. Correct