HIGHWAY ENGINEERING QUIZ

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

three times the overtaking sight distance

overtaking sight distance

two times the overtaking sight distance

five times the overtaking sight distance

TRUE ANSWER : ?
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Camber in the road is provided for

None of these

effective drainage

counteracting the centrifugal force

having proper sight distance

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Group index method of design of flexible pavement is

An empirical method based on strength characteristics of sub-grade soil

An empirical method based on physical properties of sub-grade soil

A semi empirical method

A theoretical method

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YOUR ANSWER : ?

Enoscope is used to find

spot speed

space-mean speed

average speed

time-mean speed

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

20 kmph

12kmph

16kmph

8 kmph

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In highway construction on super elevated curves, the rolling shall proceed from

centre towards the sides

upper edge towards the lower edge

sides towards the centre

lower edge towards the upper edge

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With increase in speed of the traffic stream, the minimum spacing of vehicles

increases

first increases and then decreases after reaching a maximum value at optimum speed

first decreases and then increases after reaching a minimum value at optimum speed

decreases

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The most economical lighting layout which is suitable for narrow roads is

Single side lighting

Central lighting system

None of these

Staggered system

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Los Angeles testing machine is used to conduct

Attrition test

Impact test

Abrasion test

Crushing strength test

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The recommended grade of tar for grouting purpose is

RT-1

RT-5

RT-2

RT-3

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