Engineering :: Highway Engineering
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| 201. |
Of all the forces stressing a concrete pavement, the most significant are those imposed by the |
| A. |
change in temperature |
B. |
change in moisture |
| C. |
wheel loads |
D. |
force of friction |
Answer: Option C
Explanation:
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| 202. |
A large difference of temperature between the top and the bottom of the slab causes |
| A. |
hardening |
B. |
warping |
| C. |
crazing |
Answer: Option B
Explanation:
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| 203. |
Plastic cracks due to shrinkage are developed immediately after the concrete starts hardening. |
Answer: Option A
Explanation:
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| 204. |
When the exposed surface of a pavement dries and shrinks more than the underlying concrete, a phenomenon known as |
| A. |
hardening |
B. |
warping |
| C. |
crazing |
Answer: Option C
Explanation:
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| 205. |
The stresses set up in concrete pavements due to change in moisture content are very |
Answer: Option B
Explanation:
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| 206. |
The joints, parallel to the centre-line of the road, are called |
| A. |
longitudinal joints |
B. |
transverse joints |
| C. |
expansion joints |
D. |
all of these |
Answer: Option A
Explanation:
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| 207. |
The longitudinal joints are provided when the width of road is more than |
Answer: Option B
Explanation:
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| 208. |
The longitudinal joints may be |
| A. |
tongue and groove type |
B. |
butt type |
| C. |
weakened plane type |
D. |
all of these |
Answer: Option D
Explanation:
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| 209. |
The tongue and groove type of longitudinal joint do not help to control the differential uplift between the two adjacent edges. |
Answer: Option B
Explanation:
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| 210. |
Longitudinal joints in concrete pavements |
| A. |
divide the pavement into lanes |
B. |
take care of the unequal settlement of the sub-grade |
| C. |
help in laying out concrete in convenient widths |
D. |
all of the above |
Answer: Option D
Explanation:
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