Question:

The flow of rail metal due to abnormally heavy loads is called

A.

hogging

B.

buckling

C.

wear of rails

D.

creeping

Answer» c. wear of rails

Question:

The standard size of wooden sleepers on broad gauge railway track is

A.

1.52 m x 15 cm x 10 cm

B.

1.83 m x 20 cm x 11 cm

C.

2.74 m x 25 cm x 13 cm

D.

any one of these

Answer» c. 2.74 m x 25 cm x 13 cm

Question:

In case the block system fails, then the system used is

A.

space interval system

B.

time interval system

C.

pilot guard system

D.

any one of these

Answer» b. time interval system

Question:

Charles Vignole invented

A.

double headed

B.

bull headed

C.

flat footed

Answer» c. flat footed

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