Civil Engineering MCQs

Page No. 284

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


a110 m

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b220 m

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c440 m

✓


d577 m

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View Answer 440 m

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


aspiral

✓


blemniscate

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ccubic parabola

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dany of the above

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View Answer spiral

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


aruling gradient

✓


blimiting gradient

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cexceptional gradient

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dminimum gradient

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View Answer ruling gradient

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


aequally on inner and outer sides of the curve

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bequally on inner and outer sides of the curve

✓


c fully on the outer side of the curve

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

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


a8 kmph

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b 12kmph

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c16kmph

✓


d20 kmph

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View Answer 16kmph

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


ais preferable in steep terrain

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bresults in balancing the earthwork

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cavoids the drainage problem in flat terrain

✓


ddoes not change the vertical alignment of road

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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

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cequal to the pressure on inner wheels

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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

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c1 in 10

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dequal to camber

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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

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bdecrease in both speed and radius of curve

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cincrease in speed and with decrease in radius of curve

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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%

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b20%

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c25%

✓


d75%

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View Answer 25%

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