Loose jaws of steel sleepers are made of

 

(A) spring steel

 

(B) cast iron

 

(C) mild steel

 

(D) cast steel

Wear of rails is maximum in

(A) coastal area

(B) tunnels

(C) sharp curve

(D) tangent track

In emergencies the system of train operation is

(A) pilot guard system

(B) one engine system

(C) time interval system

(D) space interval system

Maximum degree of curve permitted in Indian railways on metre gauge is

(A) 15°

(B) 25°

(C) 35°

(D) 40°

World's narrowest gauge is

(A) 610 mm

(B) 762 mm

(C) 924 mm

(D) 1000 mm

Non-corrosive material applied to rails consist of

(A) red oxide + zinc chlorite + bituminous emulsion

(B) red oxide + aluminium coat

(C) red oxide + zinc chromate coat

(D) red oxide coat

A CST-9 sleeper is

(A) box sleeper

(B) pot sleeper

(C) plate sleeper

(D) combination of all the above

The station consisting of a block hut only and having home and warner signals is classified as

(A) A class station

(B) B class station

(C) C class station

(D) D class station

Rail section is generally designated by its

(A) area of its cross section

(B) weight per metre length

(C) total length

(D) total weight

The longitudinal movement of the rails in a track is known as

(A) buckling

(B) creeping

(C) hogging

(D) tilting

Blowfish is a type of -

1) Symmetric Encryption Algorithm

2) Hashing Algorithm

3) Digital Signature Algorithm

4) Asymmetric Encryption Algorithm