RAILWAY ENGINEERING QUIZ

(i)and(iv)

(ii) and (iii)

(i) and (iii)

(ii) and (iv)

70

72

73

71

1 in 457

1 in 257

1 in 512

1 in 357

Equal to flange-way clearance

Sometimes greater than flange-way clearance

Always less than flange-way clearance

Always greater than flange-way clearance

2

4

3

None of these

3,1,2,4

1,3,2,4

1,3,4,2

3,1,4,2

To ensure exact gauge at the toe of the switch as well as the nose of crossing

To maintain the two tongue rails at the exact distance

To permit lateral movement of the tongue rail

To prevent any vertical movement between the wing rail and nose of crossing

When two different rail sections are required to be joined

None of these

On straight track

On curves

95 mm

100 mm

89 mm

115 mm

1 and 2 are correct

1 and 4 are correct

3 and 4 are correct

2 and 3 are correct