MCQs of Unit 1 : Geometric design of railway track (Railway and Airport Engineering - 3170619)

Railway and Airport Engineering (3170619) MCQs

MCQs of Unit 1 : Geometric design of railway track

Showing 31 to 40 out of 41 Questions

31.

The standard length of rail for Broad Gauge and Meter Gauge are respectively

(a)	12 m and 12 m
(b)	12 m and 13 m
(c)	13 m and 12 m
(d)	13 m and 13 m

32.

Coning of wheels is provided

(a)	To check lateral movement of wheels
(b)	To avoid damage to inner faces of rails
(c)	To avoid discomfort to passengers
(d)	All the above

33.

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 (IV) All the above

(a)	Only (i)
(b)	Both (i) and (ii)
(c)	Both (ii) and (iii)
(d)	(iv)

34.

The factor for deciding the type of sleeper, is

(a)	Easy fixing and removal of rails
(b)	Provision of sufficient bearing area for rails
(c)	Initial and maintenance costs
(d)	All the above

35.

A Broad Gauge branch line takes off as a contrary flexure from a main line. If the super-elevation required for branch line is 10 mm and cant deficiency is 75 mm, the super-elevation to be actually provided on the branch line will be

(a)	10 mm
(b)	64 mm
(c)	85 mm
(d)	65 mm

36.

In a Railway track normally the limiting value of cant is

(a)	G/8
(b)	G/10
(c)	G/12
(d)	G/15

37.

The negative super elevation is provided on

(a)	Branch line
(b)	Main line
(c)	Transition curve
(d)	None of above

38.

The shape of transition curve used by Indian Railways is

(a)	Cubic parabola
(b)	Spiral
(c)	Sine curve
(d)	Lemniscates of Bernoulli

39.

Which of the following methods of designation of crossing is mostly used in India? This method is also called Coles method, Indicated as N =cotα

(a)	Center line method
(b)	Right angle method
(c)	Isosceles angle method
(d)	None of the above

40.

The limiting value of cant gradients for all gauges is

(a)	1 in 720
(b)	1 in 360
(c)	1 in 1000
(d)	1 in 1200

Showing 31 to 40 out of 41 Questions