HIGHWAY ENGINEERING QUIZ

The camber of road should be approximately equal to

two times the longitudinal gradient

half the longitudinal gradient

longitudinal gradient

three times the longitudinal gradient

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The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life of pavement is

100000

1000

1000000

10000

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Which of the following shapes is preferred in a valley curve ?

lemniscate

simple parabola

cubic parabola

spiral

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If b is the wheel track of a vehicle and h is the height of centre of gravity above road surface, then to avoid overturning and lateral skidding on a horizontal curve, the centrifugal ratio should always be

less than b/2h and greater than co-efficient of lateral friction

greater than b/2h and also greater than coefficient of lateral friction

less than b/2h and also less than co-efficient of lateral friction

greater than b/2h and less than co-efficient of lateral friction

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

1 in 36

1 in 60

1 in 48

1 in 30

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Tyre pressure influences the

both the above

quality of surface course

None of these

total depth of pavement

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A traffic rotary is justified where

when traffic volume is less than 500 vehicles per hour

number of intersecting roads is between 4 and 7

when traffic volume is more than 5000 vehicles per hour

space is limited and costly

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

16kmph

8 kmph

12kmph

20 kmph

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When the width of car parking space and width of street are limited, generally preferred parking system is

90° angle parking

Parallel parking

45° angle parking

65° angle parking

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Which of the following turnouts is most commonly used for goods train on Indian Railways ?

1 in 12

1 in 8’/2

1 in 16

1 in 20

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