Test: Points & Crossings

QUESTION: 1

Match List-I and List-ll and select correct answer using codes given below the lists:
List-1
A. Distance between adjoining face of running rail and check rail
B. Distance through which the tongue rail moves laterally at the toe of switch for the movement of rails
C. Distance between the gauge faces of the stock rail and tongue rail at the heel
D. Angle between the gauge face of stock rail and tongue rail

List-II
1. Heel divergence
2. Flangeway clearance
3. Throw of switch
4. Switch angle

A.
a
B.
b
C.
c
D.
d

Solution:

Flangeway clearance: Distance between adjoining face of running rail and check rail.
Throw of switch: It is the distance through which the toe of the tongue moves sideways to provide a path for the desired direction over the turnout

QUESTION: 2

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

A.
B.
C.
cot(α)
D.

Solution:

Answer (b) and (d) are correct for centre line method and isosceles trianale method respectively.

QUESTION: 3

Lead of crossing is the distance from the

A.
heel of the switch to the toe of the switch
B.
heel of the switch to the theoretical nose of the crossing
C.
toe of the switch to the theoretical nose of crossing
D.
toe of the switch to the actual nose of crossing

Solution:

QUESTION: 4

Number of switches provided on a Gauntletted track is

A.
1
B.
2
C.
3
D.
None of these

Solution:

QUESTION: 5

The correct relation between Curve Lead (CL), Switch Lead (SL) and Lead of crossing (L) is given by

A.
CL = L - SL
B.
L = CL - SL
C.
SL = L + CL
D.
L = (CL + SL)/2

Solution:

QUESTION: 6

In a scissors crossover, the crossing 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

A.
(i) and (iii)
B.
(i) and (iv)
C.
(ii) and (iii)
D.
(ii) and (iv)

Solution:

QUESTION: 7

The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called

A.
flangeway clearance
B.
heel divergence
C.
throw of the switch
D.
None of the above

Solution:

QUESTION: 8

Flangeway clearance is the distance

A.
between the adjoining faces of the running rail and the check rail near the crossing
B.
between the gauge faces of the stock rail and the tongue rail
C.
through which the tongue rail moves laterally the toe of the switch
D.
None of the above

Solution:

QUESTION: 9

Heel divergence is

A.
always less than flangeway clearance
B.
equal to flangeway clearance
C.
always greater than flangeway clearance
D.
sometimes greater than flangeway clearance

Solution:

Heel divergence is equal to flange way clearance plus tolerance for the wear plus the width of head of rail.

QUESTION: 10

If 'A’ is the angle formed by two gauge faces, the crossing number will be

A.
tan A
B.
cot A
C.
sec A
D.
cos A

Solution:

10 Questions MCQ Test GATE Civil Engineering (CE) 2023 Mock Test Series | Test: Points & Crossings

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

Lead of crossing is the distance from the

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