Civil Engineering - Mock Test 24

Question 231

The attainment of super elevation by rotation of pavement about the inner edge of the pavement?

A) is preferable in steep terrain B) results in balancing the earthwork C) avoids the drainage problem in flat terrain D) does not change the vertical alignment of road

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Question 232

The absolute minimum radius of curve for safe operation for a speed of 110 kmph is?

A) 110 m B) 220 m C) 440 m D) 577 m

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Question 233

To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by?

A) 8 kmph B) 12kmph C) 16kmph D) 20 kmph

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Question 234

For a constant value of coefficient of lateral friction, the value of required super-elevation increases with?

A) increase in both speed and radius of curve B) decrease in both speed and radius of curve C) increase in speed and with decrease in radius of curve D) decrease in speed and with increase in radius of curve

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Question 235

On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be?

A) more than the pressure on inner wheels B) less than the pressure on inner wheels C) equal to the pressure on inner wheels D) zero

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Question 236

For the design of super elevation for mixed traffic conditions, the speed is reduced by?

A) 15% B) 20% C) 25% D) 75%

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Question 237

As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is?

A) 1 in 15 B) 1 in 12.5 C) 1 in 10 D) equal to camber

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Question 238

The terrain may be classified as rolling terrain if the cross slope of land is?

A) upto 10% B) between 10% and 25% C) between 25% and 60% D) more than 60%

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Question 239

The ruling design speed on a National Highway in plain terrain as per IRC recommendations is?

A) 60 kmph B) 80 kmph C) 100 kmph D) 120 kmph

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Question 240

The effect of grade on safe overtaking sight distance is?

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

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