HIGHWAY ENGINEERING QUIZ

The most efficient traffic signal system is

alternate system

simple progressive system

flexible progressive system

simultaneous system

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The ductility value of bitumen for suitability in road construction should not be less than

10 cm

50cm

20 cm

30 cm

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On a single lane road with two way traffic, the minimum stopping sight distance is equal to

two times the stopping distance

three times the stopping distance

half the stopping distance

stopping distance

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The group index for a soil, whose liquid limit is 40 percent, plasticity index is 10 percent and percentage passing 75 micron IS sieve is 35, is

0

5

7

3

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Group index method of design of flexible pavement is

A theoretical method

A semi empirical method

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

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

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As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is

10 lux

30 lux

20 lux

15 lux

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For rapid curing cutbacks, the oil used is

gasoline

light diesel

kerosene oil

heavy diesel

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Tie bars in cement concrete pavements are at

longitudinal joints

expansion joints

warping joints

contraction joints

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Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting ?

scotch block

triangle

traverser

turntable

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In hill roads the side drains arc provided

only on the opposite side of hill

None of these

only on the hill side of road

on both sides of road

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