Highway Engineering
Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ?

mastic asphalt
bituminous concrete
sheet asphalt
bituminous carpet

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Highway Engineering
The effect of grade on safe overtaking sight distance is

to increase it on both descending and ascending grades
to decrease it on both descending and ascending grades
to decrease it on descending grades and to increase it on ascending grades
to increase it on descending grades and to decrease it on ascending grades

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