Highway Sheet 11
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1) Question.
Design of flexible pavements is based on
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2) Question.
Design of flexible pavement, involves
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3) Question.
Pavement is said to be flexible if it contains
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4) Question.
Area of steel required per metre wideth of pavement for length of 20 m for design wheel load 6300 kg and permissible stress is steel 1400 , is
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5) Question.
Interior thickness of concrete road slab for design wheel load 6300 kg and permissible flexural stress 21 , is
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6) Question.
Newly constructed pavement with ordinary Portland cement attains its working strength after
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7) Question.
To prenent movement of moisture from subgrade to road pavement at the same level as that of water-table, thickness of a cut off layer of coarse sand, is
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8) Question.
To prevent movement of moisture from subgrade to road pavement on embankments about 0.6 m to 1 m higher than water table, the thickness of cut off layer of coarse sand used, is
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9) Question.
Minimum thickness of a layer of find sand required to cut off capillary rise of water completely, should be
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10) Question.
Transverse joints are provided at distance varying from
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11) Question.
The maximum limit of water absorption for aggregate suitable for road construction is -
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12) Question.
The ductility value of bitumen for suitability in road construction dhould not be less than -
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13) Question.
Percentage of free carbon in bitumen is -
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14) Question.
The maximum allowable Los Angeles abrasion value for high quality surface course is -
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15) Question.
If aggregate impact value is 20 to 30 percent, then it is classified as -
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16) Question.
In CBR test the value of CBR is calculated at -
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17) Question.
If in a Dorry abrasion test the loss in weight is 21 gms, then the coefficient of hardness is -
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18) Question.
Los Angeles testing machine is used to conduct -
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19) Question.
Which of the following tests measures the toughness of road aggregates?
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20) Question.
In highway construction on superelevated curves, the rolling shall proceed from
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