Highway Sheet 20
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1) Question.
If the radius of a main curve is 300m and length of the transtion curve is 100m, the angle with tangenet to locate the junction point, is
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2) Question.
If R is the radius of a main curve and L is the length of transtion curve, the shift of the curve, is
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3) Question.
If a Lemniscate curve having an angle of deflection , is transitional throughout, the maximum polar angle is
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4) Question.
The ratio of maximum deviation angle and maximum polar deflection angle of a Lemniscate curve, is
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5) Question.
If the rate of change of the super-elevation along a curved portion of a 7 metre wide road is 1 in 150 and the maximum super-elevation allowed is 1 in 15, the maximum length of the transition curve to be provided at either end, is
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6) Question.
If x% is the gradient of an alignment and y% is the gradient after proper superelevation along a curved portion of a highway, the differental grade along the curve, is
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7) Question.
If V is the design speed of vehicles in km/hour, the change of radial acceleration in , is
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8) Question.
The length of transition curve, is governed by
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9) Question.
If the ruling gradient on any highway is 3%, the gradient provided on the curve of 300 metre radius, is
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10) Question.
If the coefficent of friction on the road surface is 0.15 and a maxium super-elevation 1 in 15 is provided, the maximum speed of the vehicles on a curve of 100 metre radius, is
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11) Question.
The amount of mechanical energy imposed on the aggregate during the aggregate impact test is of the order of -
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12) Question.
It is a common practice to design a highway to accommodate the traffic volume corresponding to -
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13) Question.
The general requirement in constructing a reinforced concrete road is to place a single layer of reinforcement -
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14) Question.
Which one of the following is the chronological sequence in regard to road construction/design development ?
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15) Question.
A vehicle was stopped in two seconds by fully jamming the brakes. The skid marks measured 9.8 metres. The average skid resistance coefficient will be -
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16) Question.
If the CBR value obtained at 5 mm penetration is higher than that at 2.5 mm, then the test is repeated for checking; and if the check test reveals a similar trend, then the CBR value is to be reported as the -
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17) Question.
Assuming the safe stopping sight distance to be 80 m on a flat highway section and with a setback distance of 10 m , what would be the radius of the negotiable horizontal curve ?
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18) Question.
The Plasticity Index of the fraction passing 425 micron I.S. sieve in case of sub base/ base course would be -
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19) Question.
In which one of the following grades of a highway is an emergency escape ramp provided ?
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20) Question.
In highway construction on superelevated curves, the rolling shall proceed from
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