If α is switch angle and R is radius of the turnout, the length of the tongue rail, is

R sin α

R tan α

R sin α/2

R tan α/2

Correct Answer : R tan α/2

Recently Updated in Railways Questions

The life of a wooden sleeper depends upon

quality of its timber

ability to resist decay

resistance to weathering

All of the above

Correct Answer : Option (D) : All of the above

Arrangement made to divert the trains from one track to another, is known as

turnout

railway point

railway crossing

railway junction

Correct Answer : Option (A) : turnout

Minimum packing space provided between two sleepers, is between

20 to 25 cm

25 to 30 cm

30 to 35 cm

35 to 40 cm

Correct Answer : Option (C) : 30 to 35 cm