The correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by

The height of the rail for 52 kg rail section is

Head width of 52 kg rail section is

Largest percentage of material in the rail is in its

If a is the angle of crossing, then the number of crossings ‘N’ according to right angle method is given by

Which one of the following rail failures is caused by loose fish bolts at expansion joints?

The side slope of embankments for a railway track is generally taken as

Loose jaws of steel trough sleepers are made of

Study the following statements regarding creep.
i) Creep is greater on curves than on tangent railway track,
ii) Creep in new rails is more than that in old rails,
iii) Creep is more on steep gradients than on level track.
The correct answer is

Creep is the

Lead of crossing is the distance from the

The treadle bar is provided

Switch angle depends on
i) heel divergence
ii) length of tongue rail
iii) flangeway clearance
iv) throw of switch
The correct answer is

The reception signal is
i) outer signal
ii) home signal
iii) starter
iv) advanced starter
The correct answer is

The sleepers resting directly on girder are fastened to the top flange of girder by

A triangle is used for

Cant deficiency occurs when a vehicle travels around a curve at

Yellow lighthand signal indicates

Consider the following statements about concrete sleepers.
1. They improve the track modulus.
2. They have good scrap value.
3. They render transportation easy.
4. They maintain the gauge quite satisfactorily.
Of these statements

Consider the following statements:
Automatic signalling system results in
1. greater risk
2. higher efficiency
3. avoidance of block instruments
4. higher operating cost
Of these statements

The type of bearing plate used in all joints and on curves to give better bearing area to the rails is

Standard size of wooden sleeper for Broad Gauge track is

Number of cotters used in CST-9 sleepers is

One degree of curve is equivalent to (where R is the radius of curve in meters.)

The rail is designated by its

A treadle bar is used for

Flange-way clearance is the distance

The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as

In a scissors cross-over, the crossings provided are
i) 2 obtuse angle crossings
ii) 4 obtuse angle crossings
iii) 4 acute angle crossings
iv) 6 acute angle crossings
The correct answer is

Which of the following factors govern the choice of the gauge ?
i) volume and nature of traffic
ii) speed of train
iii) physical features of the country
The correct answer is