Civil Engineering - Mock Test 23

Question 221

In case of summit curves, the deviation angle will be maximum when?

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

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Question 222

The value of ruling gradient in plains as per IRC recommendation is?

A) 1 in 12 B) 1 m 15 C) 1 in 20 D) 1 in 30

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Question 223

Which of the following shapes is preferred in a valley curve ?

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

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Question 224

If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be?

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

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Question 225

The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is?

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

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Question 226

The maximum design gradient for vertical profile of a road is?

A) ruling gradient B) limiting gradient C) exceptional gradient D) minimum gradient

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Question 227

For design, that length of transition curve should be taken which is?

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

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Question 228

The transition curve used in the horizontal alignment of highways as per IRC recommendations is?

A) spiral B) lemniscate C) cubic parabola D) any of the above

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Question 229

In case of hill roads, the extra widening is generally provided?

A) equally on inner and outer sides of the curve B) fully on the inner side of the curve C) fully on the outer side of the curve D) one-fourth on inner side and three-fourth on outer side of the curve

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Question 230

Select the correct statement?

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.

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