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GATE CE 2022: Transportation Engineering & Surveying Quiz #2

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Question 1

The grade compensation on a horizontal curve of radius 50 m on a hill road with ruling gradient 5% will be

Question 2

The compensated gradient on a horizontal curve of radius 80 m on a hill road having ruling gradient of 6.5% will be

Question 3

A valley curve is formed by a descending gradient of 1 in 30 meeting an ascending gradient of 1 in 20. Calculate the length of valley curve for comfort condition if design speed on the curve is 70 kmph. Assume coefficient of centrifugal acceleration to be 0.54 m/s3.

Question 4

A vertical summit curve is to be formed at the intersection of two gradient +5% and -4%. Design the length of summit curve to provide stopping sight distance of 135 m.

Question 5

A valley curve is to be formed having a deviation angle of 1 in 15. Calculate the length of valley curve for a design speed of 55 kmph. Assume allowable rate of change of centrifugal acceleration is 0.65 m/s3 and stopping sight distance required on the curve is 75 m.

Question 6

The ruling gradient of a hill road is 1 in 20. The compensated gradient (in%) after allowing for curve resistance on a horizontal curve of radius 100 m on the hill road is

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Oct 18ESE & GATE CE