RAILWAY ENGINEERING QUIZ

None of these

to detect any obstruction between and tongue rail

to ensure that the point may not be operated while the train is on it

to ensure that each switch is correctly set

less than 2 mm/m

less than 4 mm/m

more than 2 mm/m

more than 4mm/m

G/12

G/10

G/8

G/15

To permit lateral movement of the tongue rail

To maintain the two tongue rails at the exact distance

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

interlocking points and signal

track maintenance

setting marshalling yard signals

setting points and crossings

both (ii) and (iii)

only (i)

both (i) and (ii)

(i), (ii) and (iii)

foot

head and foot both

web

head

89 mm

95 mm

115 mm

100 mm

height

Any of these

head width

foot width

(i), (ii) and (iii)

only (i)

(ii) and (iii)

(i)and(ii)