RAILWAY ENGINEERING QUIZ

Arad

cot A

sec A

tan A

Equilibrium speed

Speeds higher than equilibrium speed

Speeds lower than equilibrium speed

Booked speed

2

3

None of these

4

With wooden sleepers at locations where creep is likely to be developed

For points and crossings in the lead portion

On all joints and curves

On all the above

1353

552

783

1588

None of these

proceed cautiously

stop

proceed

steel trough sleeper

wooden sleeper

CST-9 sleeper

concrete sleeper

(i), (ii) and (iii)

both (i) and (ii)

only (i)

both (ii) and (iii)

To maintain the two tongue rails at the exact distance

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

To permit lateral movement of the tongue rail

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

70

73

71

72