Pick up the incorrect statement from the following. If water cement ratio is inc

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Question
Pick up the incorrect statement from the following. If water cement ratio is
Options
A. increased, strength of concrete increases
B. decreased, strength of concrete increases
C. increased, strength of concrete is not affected
D. none of these.

Correct Answer

increased, strength of concrete is not affected

Highway Engineering problems

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2. The desirable camber for straight roads with water bound macadam or gravel surface, is
Options
A. 1 in 33 to 1 in 25
B. 1 in 40 to 1 in 33
C. 1 in 150 to 1 in 140
D. 1 in 160 to 1 in 140
E. none of these.

5. Widening of the roads on curves in hilly region, is done
Options
A. on the outer side
B. on the inner side
C. on the outer and inner sides equally
D. less on outer side and more on inner side.

6. In case of a hair pin bend of a highway,
Options
A. minimum radius of inner curve is 14 m
B. minimum radius of transition is 15 m
C. circular compound curve may be provided
D. minimum road way width at apex for single lane highway, is 9 m
E. All the above.

7. Maximum number of vehicles that can pass a given point on a lane during one hour without creating unreasonable delay, is known as
Options
A. traffic density of lane
B. basic capacity of lane
C. probable capacity of lane
D. practical capacity of lane.

9. Before providing super-elevation on roads, the portion of the carriageway between the crown and the outer edge is made
Options
A. to have a reduced fall
B. horizontal
C. to have slope of the camber on the other half of the carriageway
D. none of these.

10. If E is the modulus of elasticity of the concrete in kg/cm², d is the slab thickness in cm, is the Poisson's ratio for the concrete, k is the sub-grade modulus kg/cm³, the radius r of relative stiffness in cm,
Options
A.
B.
C.
D.

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