If a rigid body is in equilibrium under a system of forces the virtual work done by this system of forces during virtual displacement is zero. This principle is known as

 

(A) Bernauli's principle

 

(B) Mecaulay's principle

 

(C) Work energy principle

 

(D) Castigliano's principle

The absolute bending moment in a supply supported of span 10 m due to a moving load of 40 kN/m spanning over 5 m is

(A) 375 kN at midpoint

(B) 375 kN m at 2.5 m from end A

(C) 375 kN at 3.75 m from end A

(D) 500 kN m at midspan

Which one of the following is the interlocking system used in railway signalling?

(A) Mechanical system

(B) Key system

(C) Electrical system

(D) Electronic system

The rail section, nowadays, used in India is

(A) Flat footed

(B) Bull headed

(C) Double headed

(D) I-section

Indian Railways has been divided into

(A) 10 zones

(B) 12 zones

(C) 18 zones

(D) 19 zones

The most widely used gauge in the world is

(A) Broad gauge

(B) Metre gauge

(C) Narrow gauge

(D) Standard gauge

The ends of rail getting bent down due to wheel load is known as

(A) Hogged rails

(B) Buckling

(C) Coning

(D) Tilting

The sleeper which has excellent ability to absorb shock is

(A) Concrete sleeper

(B) Cast iron sleeper

(C) Steel sleeper

(D) Wooden sleeper

Heaviest sleeper is

(A) Cast iron sleeper

(B) Concrete sleeper

(C) Steel sleeper

(D) Wooden sleeper

Which one of the following is not used to fix rails to wooden sleepers?

(A) Screw spikes

(B) Dog spikes

(C) Fish bolt

(D) Round spike

The stations which do not have any signal are known as

(A) A class stations

(B) B class stations

(C) Terminal stations

(D) Crossing stations