RAILWAY ENGINEERING QUIZ

22.5 tonnes

45.0 tonnes

15.0 tonnes

90.0 tonnes

scotch block

triangle

turntable

traverser

(ii) and (iii)

(i) and (ii)

(i)and(iv)

(iii) and (iv)

nose of crossing

None of these

both (A) and (B)

toe of the switch

19 mm

13 mm

16 mm

10 mm

track maintenance

setting marshalling yard signals

setting points and crossings

interlocking points and signal

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

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

To maintain the two tongue rails at the exact distance

None of these

2

3

1

21

20

18

19

lemniscate of Bernoulli

sine curve

spiral

cubic parabola