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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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The effect of a grade of safe overtaking sight distances is to-a)Incr...
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
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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)
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The effect of a grade of safe overtaking sight distances is to-a)Incr...
Explanation:
Safe overtaking sight distance (SOSD) is the minimum distance that a driver requires to overtake a slower moving vehicle safely. The grade of the road is an important factor that affects the SOSD. The SOSD is calculated based on the speed of the vehicle, the length of the overtaking zone, and the grade of the road.
The effect of the grade of the road on the SOSD is as follows:
- On descending grades: When the road is sloping downwards, the SOSD decreases. This is because the vehicle gains speed while going downhill, and it becomes difficult for the driver to maintain a safe distance while overtaking. Therefore, the SOSD needs to be increased on descending grades to ensure safe overtaking.
- On ascending grades: When the road is sloping upwards, the SOSD increases. This is because the vehicle loses speed while going uphill, and it takes more time to overtake. Therefore, the SOSD needs to be increased on ascending grades to ensure safe overtaking.
Thus, the correct answer is option C - the SOSD needs to be increased on both descending and ascending grades to ensure safe overtaking.
Safe overtaking sight distance (SOSD) is the minimum distance that a driver requires to overtake a slower moving vehicle safely. The grade of the road is an important factor that affects the SOSD. The SOSD is calculated based on the speed of the vehicle, the length of the overtaking zone, and the grade of the road.
The effect of the grade of the road on the SOSD is as follows:
- On descending grades: When the road is sloping downwards, the SOSD decreases. This is because the vehicle gains speed while going downhill, and it becomes difficult for the driver to maintain a safe distance while overtaking. Therefore, the SOSD needs to be increased on descending grades to ensure safe overtaking.
- On ascending grades: When the road is sloping upwards, the SOSD increases. This is because the vehicle loses speed while going uphill, and it takes more time to overtake. Therefore, the SOSD needs to be increased on ascending grades to ensure safe overtaking.
Thus, the correct answer is option C - the SOSD needs to be increased on both descending and ascending grades to ensure safe overtaking.
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Community Answer
The effect of a grade of safe overtaking sight distances is to-a)Incr...
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)
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The effect of a grade of safe overtaking sight distances is to-a)Increases it on descending grades and to decreases it on descending gradesb)Decrease it on descending grades and to increase in on ascending gradesc)Increase it on both descending and ascending gradesd)Decrease it on both descending and ascending gradesCorrect answer is option 'C'. Can you explain this answer?
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