Test: Highway Geometric Design -1 - Civil Engineering (CE) MCQ

# Test: Highway Geometric Design -1 - Civil Engineering (CE) MCQ

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## 10 Questions MCQ Test - Test: Highway Geometric Design -1

Test: Highway Geometric Design -1 for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Test: Highway Geometric Design -1 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Highway Geometric Design -1 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Highway Geometric Design -1 below.
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Test: Highway Geometric Design -1 - Question 1

### The shape of the camber, best suited for cement concrete pavements, is

Detailed Solution for Test: Highway Geometric Design -1 - Question 1

The camber is given a parabolic, elliptic or straight line shape in the cross-section. Parabolic or elliptic shape is given so that the profile is flat at the middle and steeper towards the edges, which is preferred by fast moving vehicles.
When very flat cross slope is provided as in cement concrete pavements, straight line shape of camber may be provided.

Test: Highway Geometric Design -1 - Question 2

### For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is

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Test: Highway Geometric Design -1 - Question 3

### When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in

Detailed Solution for Test: Highway Geometric Design -1 - Question 3

Skid occurs when vehicles slide without revolving or when the wheels partially revolve i.e., when the path travelled along the road surface is more than the circumferential movements of the wheels due to their rotation. Slip occurs when a wheel revolves more than the corresponding longitudinal movement along the roads.

Test: Highway Geometric Design -1 - Question 4

Coefficient of friction is less when the pavement surface is

Detailed Solution for Test: Highway Geometric Design -1 - Question 4

The coefficient of friction reduces considerably when the pavement surface is smooth or wet. The coefficient of friction also decreases slightly with increase in temperature, tyre pressure and load. But on wet pavements new tyres with good treads give higher friction factors than worn out tyres.

Test: Highway Geometric Design -1 - Question 5

Compared to a level surface, on a descending gradient the stopping sight distance is

Detailed Solution for Test: Highway Geometric Design -1 - Question 5

When there is a descending gradient the component of gravity is subtracted from the braking distance and hence the stopping sight distance is more.

Test: Highway Geometric Design -1 - Question 6

The minimum length of overtaking zone as per IRC recommendation is equal to

Detailed Solution for Test: Highway Geometric Design -1 - Question 6

The minimum length of overtaking zone should be three times the safe overtaking distance i.e., 3(d1 + d2) for one-way roads and 3(d1 + d2 + d3) for two-way roads. It is desirable that the length of overtaking zone is kept five times the overtaking sight distance.

Test: Highway Geometric Design -1 - Question 7

If the stopping distance is 60 metres, then the minimum stopping sight distance for two lane, two way traffic is

Detailed Solution for Test: Highway Geometric Design -1 - Question 7

The minimum stopping sight distance should be equal to the stopping distance in one-way traffic lanes and also in two-way traffic roads when there are two or more traffic lanes.

Test: Highway Geometric Design -1 - Question 8

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

Detailed Solution for Test: Highway Geometric Design -1 - Question 8

Test: Highway Geometric Design -1 - Question 9

The equilibrium superelevation required to counteract the centrifugal force fully is given by

Detailed Solution for Test: Highway Geometric Design -1 - Question 9

As we know,

e = rate of superelevation
f = lateral friction coefficient = 0.15
V = speed of vehicle, m/s
R = radius of horizontal curve, m
g = acceleration due to gravity = 9.8 m/s2
If speed of vehicle is represented as \/kmph then,

If f = 0, the equilibrium superelevation required to counteract the centrifugal force fully will be given by,

Test: Highway Geometric Design -1 - Question 10

The attainment of superelevation by rotation of pavement about the inner edge of the pavement

Detailed Solution for Test: Highway Geometric Design -1 - Question 10

The method of rotating about inner edge is preferable in flat terrain in high rain fall area, when the road is not taken on embankment, in order to avoid the drainage problem.

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