HIGHWAY ENGINEERING QUIZ

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

centre towards the sides

lower edge towards the upper edge

upper edge towards the lower edge

sides towards the centre

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Bitumen of grade 80/100 means

its penetration value is 10 mm

its penetration value is 8 mm

its penetration value is 8 to 10 mm

its penetration value is 8 to 10 cm

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If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression

3.8 (NV3)”2

3.8 NV”2

0.38 (NV3)”2

0.38 N V3/2

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Percentage of free carbon in bitumen is

more than that in tar

equal to that in tar

None of these

less than that in tar

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Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is

2.0

10

0.5

1.0

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The value of ruling gradient in plains as per IRC recommendation is

1 in 12

1 in 30

1 in 20

1 m 15

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The most efficient traffic signal system is

flexible progressive system

simple progressive system

alternate system

simultaneous system

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

30 lux

20 lux

10 lux

15 lux

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The camber of road should be approximately equal to

two times the longitudinal gradient

three times the longitudinal gradient

half the longitudinal gradient

longitudinal gradient

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The rail is designated by its

cross-section

weight per unit length

weight

length

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