2521Civil EngineeringMedium
If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is________?
A
MCQs
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Correct answer
C. 1 in 60
Explanation
The correct answer is 1 in 60.
Correct answer
C. 160
Explanation
The correct answer is 160.
Correct answer
C. impedes growth of algae
Explanation
The correct answer is impedes growth of algae.
Correct answer
C. 1.7
Explanation
The correct answer is 1.7.
Correct answer
B. Twice the diameter
Explanation
The correct answer is Twice the diameter.
Correct answer
C. double flemish bond facing and Eng-lish bond backing in each course
Explanation
The correct answer is double flemish bond facing and Eng-lish bond backing in each course.
Correct answer
E. the energy is constant along a stream-line but may vary across streamlines
Explanation
The correct answer is the energy is constant along a stream-line but may vary across streamlines.
Correct answer
A. separate the undersluices from weir proper
Explanation
The correct answer is separate the undersluices from weir proper.
Correct answer
C. b – rd)2/(r – s)
Explanation
The correct answer is b – rd)2/(r – s).
Correct answer
A. 0.223 R
Explanation
The correct answer is 0.223 R.