- (A) 15%
- (B) 20%
- (C) 25%
- (D) 75%
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- (A) upto 10%
- (B) between 10% and 25%
- (C) between 25% and 60%
- (D) more than 60%
- (A) less than overtaking sight distance
- (B) equal to overtaking sight distance
- (C) more than overtaking sight distance
- (D) none of the above
- (A) to increase it on descending grades and to decrease it on ascending grades
- (B) to decrease it on descending grades and to increase it on ascending grades
- (C) to increase it on both descending and ascending grades
- (D) to decrease it on both descending and ascending grades
- (A) 60 kmph
- (B) 80 kmph
- (C) 100 kmph
- (D) 120 kmph
- (A) less than b/2h and greater than co-efficient of lateral friction
- (B) less than b/2h and also less than co-efficient of lateral friction
- (C) greater than b/2h and less than co-efficient of lateral friction
- (D) greater than b/2h and also greater than coefficient of lateral friction
- (A) 30m
- (B) 60m
- (C) 120m
- (D) 180m
- (A) increases with increase in speed
- (B) decreases with increase in speed
- (C) is same for all speeds
- (D) none of the above
- (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
