Civil Engineering MCQs

Page No. 285

The terrain may be classified as rolling terrain if the cross slope of land is______________?


aupto 10%


bbetween 10% and 25%


cbetween 25% and 60%


dmore than 60%


View Answer between 10% and 25%

Stopping sight distance is always_______________?


aless than overtaking sight distance


bequal to overtaking sight distance


cmore than overtaking sight distance


dnone of the above



The effect of grade on safe overtaking sight distance is_______________?


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


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


cto increase it on both descending and ascending grades


d to decrease it on both descending and ascending grades



The ruling design speed on a National Highway in plain terrain as per IRC recommendations is_____________?


a60 kmph


b80 kmph


c100 kmph


d100 kmph


View Answer 100 kmph

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________________?


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


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


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


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



If the stopping distance is 60 meters, then the minimum stopping sight distance for two lane, two way traffic is_________________?


a30m


b60m


c120m


d180m


View Answer 60m

Reaction time of a driver_______________?


aincreases with increase in speed


bdecreases with increase in speed


cis same for all speeds


dnone of the above



The desirable length of overtaking zone as per IRC recommendation is equal to________________?


aovertaking sight distance


b two times the overtaking sight distance


cthree times the overtaking sight distance


dfive times the overtaking sight distance



Compared to a level surface, on a descending gradient the stopping sight distance is_______________?


a less


bmore


csame


ddependent on the speed


View Answer more

Nagpur road plan formula were prepared by assuming______________?


a rectangular or block road pattern


b rectangular or block road pattern


cradial or star and circular road pattern


dradial or star and grid road pattern



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