Highway Engineering
Creep is the

Difference in level of two rails
Longitudinal movement of rail
Vertical movement of rail
Lateral movement of rail

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Highway Engineering
For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is

dry rolling, wet rolling, application of screening and application of filler
dry rolling, application of screening, wet rolling and application of filler
dry rolling, application of filler, wet rolling and application of screening
dry rolling, application of screening, application of filler and wet rolling

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Highway Engineering
When the speed of traffic flow becomes zero,then

traffic density and traffic volume both become zero
traffic density and traffic volume both attain maximum value
traffic density attains maximum value whereas traffic volume becomes zero
traffic density becomes zero whereas traffic volume attains maximum value

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Highway Engineering
A traffic rotary is justified where

number of intersecting roads is between 4 and 7
space is limited and costly
when traffic volume is more than 5000 vehicles per hour
when traffic volume is less than 500 vehicles per hour

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