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| 19. |
Bitumen of grade 80/100 means
|
| A. |
its penetration value is 8 mm |
B.
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its penetration value is 10 mm |
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C.
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its penetration value is 8 to 10 mm
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D.
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its penetration value is 8 to 10 cm
|
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Answer: Option C
Explanation:
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| 20. |
Bottom most layer of pavement is known as
|
| A. |
wearing course |
B.
|
base course |
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C.
|
sub-base course
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D.
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subgrade
|
|
Answer: Option D
Explanation:
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| 21. |
Centre line markings are used
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| A. |
to designate traffic lanes |
B.
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in roadways meant for two way traffic |
|
C.
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to indicate that overtaking is not permitted
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D.
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to designate proper lateral placement of vehicles before turning to different directions
|
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Answer: Option B
Explanation:
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| 22. |
Desire lines are plotted in
|
| A. |
traffic volume studies |
B.
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speed studies |
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C.
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accident studies
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D.
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origin and destination studies
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|
Answer: Option D
Explanation:
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| 23. |
Enoscope is used to find
|
| A. |
average speed |
B.
|
spot speed |
|
C.
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space-mean speed
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D.
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time-mean speed
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Answer: Option B
Explanation:
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| 24. |
Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is
|
|
|
Answer: Option A
Explanation:
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