As per I.S. 456 - 1978, the pH value of water shall be less than 6 equal to 6 no

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Question
As per I.S. 456 - 1978, the pH value of water shall be
Options
A. less than 6
B. equal to 6
C. not less than 6
D. equal to 7

Correct Answer

not less than 6

RCC Structures Design problems

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3. Pick up the incorrect statement from the following:
Options
A. In the stem of a retaining wall, reinforcement is provided near the earth side
B. In the toe slab of a retaining wall, rein forcement is provided at the bottom of the slab
C. In the heel slab of a retaining wall, rein forcement is provided at the top of the slab
D. None of these.

7. To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than
Options
A.
B.
C.
D.
E.

8. In a prestressed beam carrying an external load W with a bent tendon is having angle of inclination ? and prestressed load P. The net downward load at the centre is
Options
A. W - 2P cos ?
B. W - P cos ?
C. W - P sin ?
D. W - 2P sin ?
E. W + 2P sin ?

9. Pick up the correct statement from the following:
Options
A. A pile is a slender member which transfers the load through its lower end on a strong strata
B. A pile is a slender member which transfers its load to the surrounding soil
C. A pile is a slender member which transfers its load by friction
D. A pile is a cylindrical body of concrete which transfers the load at a depth greater than its width.

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