For maximum strength and durability minimum percentage of cement, by weight is 1

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Question
For maximum strength and durability minimum percentage of cement, by weight is
Options
A. 15%
B. 20%
C. 25%
D. 30%
E. 33%

Correct Answer

30%

Highway Engineering problems

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1. Road width 8.8 m of two lane National highways or State highways in mountainous terrain
Options
A. excludes the width of parapet (0.6 m)
B. excludes the width of side drain (0.6 m)
C. excludes the width of parapet and side drain
D. includes the width of parapet and side drain

2. Reinforcement in cement concrete slab of road pavements, is placed
Options
A. longitudinally
B. transversely
C. longitudinally and transversely
D. in the form of welded wire mesh
E. none of these.

3. According to IRC : 52-1973, for a single lane National Highway in hilly region,
Options
A. width of the carriageway must be 3.75 m
B. shoulders on either side must be 1.25 m
C. total width of the road-way must be 6.25 m
D. total of the above.

5. Pick up the incorrect statement from the following:
Options
A. Tresguet did not provide the top camber for the drainage of surface water
B. Tresguet provided the top camber for the drainage of surface water
C. Telford provided two layers of stones in the central 5.4 m width and one layer was provided on the sides
D. Macadam provided a camber to the formation at the dug-up state, to drain percolated water.

7. Reconnaissance is best done with the help of
Options
A. aerial photographic survey
B. condastral surveys
C. topographical surveys
D. triangulation surveys
E. none of these.

8. Curves in the same direction separated by short tangents, are called
Options
A. simple circular curves
B. compound curves
C. transition curves
D. broken-back curves.
E. None of these.

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