The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as_________________?

A. 1
B. 2
C. 5
D. 10

A. length
B. weight
C. cross-section
D. weight per unit length

A. 10°
B. 16°
C. 30°
D. 40°

A. 1 in 250
B. 1 in 222
C. 1 in 235
D. 1 in 275

A. tan A
B. cot A
C. sec A
D. Arad

A. 2
B. 3
C. 4
D. 5