Civil Engineering MCQs

Page No. 284

The absolute minimum radius of curve for safe operation for a speed of 110 kmph is______________?


a110 m


b220 m


c440 m


d577 m


View Answer 440 m

The transition curve used in the horizontal alignment of highways as per IRC recommendations is_______________?


aspiral


blemniscate


ccubic parabola


dany of the above


View Answer spiral

The maximum design gradient for vertical profile of a road is______________?


aruling gradient


blimiting gradient


cexceptional gradient


dminimum gradient


View Answer ruling gradient

In case of hill roads, the extra widening is generally provided______________?


aequally on inner and outer sides of the curve


bequally on inner and outer sides of the curve


c fully on the outer side of the curve


done-fourth on inner side and three-fourth on outer side of the curve



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


a8 kmph


b 12kmph


c16kmph


d20 kmph


View Answer 16kmph

The attainment of super elevation by rotation of pavement about the inner edge of the pavement_______________?


ais preferable in steep terrain


bresults in balancing the earthwork


cavoids the drainage problem in flat terrain


ddoes not change the vertical alignment of road



On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be_________________?


amore than the pressure on inner wheels


bless than the pressure on inner wheels


cequal to the pressure on inner wheels


dmore than the pressure on inner wheels



As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is_______________?


a1 in 15


b1 in 12.5


c1 in 10


dequal to camber


View Answer 1 in 15

For a constant value of coefficient of lateral friction, the value of required super-elevation increases with_______________?


aincrease in both speed and radius of curve


bdecrease in both speed and radius of curve


cincrease in speed and with decrease in radius of curve


ddecrease in speed and with increase in radius of curve



For the design of super elevation for mixed traffic conditions, the speed is reduced by_____________?


a15%


b20%


c25%


d75%


View Answer 25%

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