Highway Sheet 21
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1) Question.
To compensate the loss of tractive force of vehicles along curves of radius R, the percentage raduction of gradient, is
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2) Question.
If L is the length of a moving vehicle and R is the radius of curve, the extra mechanical width b to be provided on horizontal curves,
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3) Question.
The tangent length of a simple circular curve of radius r deflecting through , is
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4) Question.
If degree of a road curve is curve is defined by assuming the standard length of an arc as 30 metres, the radius of curve is equal
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5) Question.
Degree of a road curve is defined as the angle in degrees subtended at the centre by an arc of
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6) Question.
Pick up the incorrect statement from the following. On highways circular curves may be
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7) Question.
The type of surves generally provided on highways, is
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8) Question.
Design of horizontal curves on highway, is based on
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9) Question.
Horizontal curves on highways are provided
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10) Question.
Minimum stopping distance for moving vehicles on road with a design speed of 80 km/hour, is
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11) Question.
An ascending gradient of 1 in 100 meets a descending gradient of 1 in 50. The length of summit curve required to provide overtaking sight distance of 500 m will be -
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12) Question.
If a descending gradient of 1 in 25 meets an ascending gradient of 1 in 40, then the length of valley curve required for a head light sight distance of 100 m will be -
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13) Question.
For a circular curve of radius 200 m, the coefficient of lateral friction is 0.15 and the design speed is 40 kmph. The equilibrium superelevation (for equal pressure on inner and outer wheels) would be -
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14) Question.
The corrected characteristic rebound deflection on a pavement, using Benkelman beam study is 2 mm. The equivalent granular overlay thickness required for an allowable deflection of 1 mm as per original IRC guidelines is -
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15) Question.
For carrying out bituminous patch work during the rainy season, the most suitable binder is -
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16) Question.
Which of the criteria given below are used for the design of valley vertical curves on road ?
- rider comfort.
- headlight sight distance.
- drainage.
Select the correct answer using the codes given below :
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17) Question.
It was noted that on a section of road, the free speed was 80 kmph and the jam density was 70 vpkm. The maximum flow in vph that could be expected on this road is -
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18) Question.
With reference to the Marshall mix design criteria for highways, which one of the following pairs is not correctly matched ?
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19) Question.
Which one of the following binders is recommended for a wet and cold climate ?
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20) Question.
In highway construction on superelevated curves, the rolling shall proceed from
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