Highway Engineering

A. zero
B. 64m
C. 80m
D. 60m

A. average speed
B. spot speed
C. space-mean speed
D. time-mean speed

A. an ascending gradient meets with another ascending gradient
B. an ascending gradient meets with a descending gradient
C. a descending gradient meets with another descending gradient
D. an ascending gradient meets with a level surface

A. longitudinal gradient
B. two times the longitudinal gradient
C. three times the longitudinal gradient
D. half the longitudinal gradient

A. 0.1 %
B. 1 %
C. 10%
D. no compensation

A. simple parabola
B. cubic parabola
C. spiral
D. lemniscate

A. 3 %
B. 4%
C. 5 %
D. 6%

A. based on allowable rate of change of centrifugal acceleration
B. based on rate of change of super elevation
C. higher of (A) and (B)
D. smaller of (A) and (B)

A. Psychological extra widening depends on the number of traffic lanes.
B. Mechanical extra widening depends on the speed of vehicle.
C. Psychological extra widening depends on the length of wheel base.
D. Psychological extra widening depends on the speed of vehicle

A. 110 m
B. 220 m
C. 440 m
D. 577 m