The effect of a grade of safe overtaking sight distances is to-
  • a)
    Increases it on descending grades and to decreases it on descending grades
  • b)
    Decrease it on descending grades and to increase in on ascending grades
  • c)
    Increase it on both descending and ascending grades
  • d)
    Decrease it on both descending and ascending grades
Correct answer is option 'C'. Can you explain this answer?

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Answers

Learners World
Jun 03, 2021
The minimum distance open to the vision of the driver of a vehicle intending to overtake slow vehicle ahead with safety against the traffic of opposite direction is known as the minimum overtaking sight distance (OSD) or the safe passing sight distance available
OSD=d1+d2+d3
Where, O.S.D.=Overtaking sight distance in 'm'
d=Distance traveled by overtaking vehicle A during the reaction time t sec of the driver from position A1 to A2
Hence, the correct option is (C)

The minimum distance open to the vision of the driver of a vehicle intending to overtake slow vehicle ahead with safety against the traffic of opposite direction is known as the minimum overtaking sight distance (OSD) or the safe passing sight distance availableOSD=d1+d2+d3Where, O.S.D.=Overtaking sight distance in 'm'd=Distance traveled by overtaking vehicle A during the reaction time t sec of the driver from position A1 to A2Hence, the correct option is (C)
The minimum distance open to the vision of the driver of a vehicle intending to overtake slow vehicle ahead with safety against the traffic of opposite direction is known as the minimum overtaking sight distance (OSD) or the safe passing sight distance availableOSD=d1+d2+d3Where, O.S.D.=Overtaking sight distance in 'm'd=Distance traveled by overtaking vehicle A during the reaction time t sec of the driver from position A1 to A2Hence, the correct option is (C)