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PSC Civil Engg. Transportation Quiz 4

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Question 1

What will be the non-passing sight distance on a highway for a design speed of 100 kmph when its ascending gradient is 2%? Assume coefficient of friction as 0.7 and brake efficiency as 50%.

Question 2

What will be the optimum depth of ballast cushion required for a BG railway track below the sleepers with sleeper density of (M + 5) and bottom width of 22.22 cm?

Question 3

Consider the following statements regarding pavements:
1) Rigid pavements are more suitable than flexible pavements for stage construction.
2) Rigid pavements are more affected by temperature variations than flexible pavements.
3) In a flexible pavement, any deformation in the top layers is transferred to underlaid layers; but, in rigid pavements, there is slab or beam action due to which any deformation is only in the top layer of the concrete slab.
Which of the above statements are correct?

Question 4

The lowest height above the runway where the pilots make decision to continue the landing manoeuvre or to cut it short is called the

Question 5

Which one of the following items of hill road construction does not help in prevention of landslides during the monsoon season?
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