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GATE (CE) 2022: Highway Engineering #30

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Question 1

Which of the following are vehicle characteristics?
  1. Power
  2. Dimension
  3. Weight
  4. Speed

Question 2

Modulus of subgrade reaction is defined as:

Question 3

Calculate the allowable speed on a horizontal curve of radius 225 m considering maximum value of superelevation is restricted to 0.06 and maximum coefficient of lateral friction on the pavement is 0.15.

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

If the percent volume of voids and percent volume of bitumen in a bituminous mix are 4.5 and 11.25 respectively, the percent volume filled with bitumen will be

Question 6

If the speed density relation for a particular road is give ny
u = 4.5k – 0.15k2

where u is the speed in kmph and ‘k’ is density in veh/km, then the maximum speed possible on the road in normal conditions is?

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Jun 5ESE & GATE CE