A. acts in the plane of the interface normal to any line in the surface
B. is also known as capillarity
C. is a function of the curvature of the interface
D. decreases with fall in temperature
✅ The correct answer is option A.
Civil Engineering Mcqs MCQs
The detention period for plain sedimentation water tanks, is usually____________________?
A. 4 to 8 hours
B. 8 to 16 hours
C. 16 to 24 hours
D. 24 to 36 hours
✅ The correct answer is option A.
The sewerage system originates from__________________?
A. House sewers
B. Lateral sewers
C. Branch sewers
D. Main sewers
✅ The correct answer is option A.
hydraulically equivalent, the relationship which holds good, is _______________?
A. D8/3 = 4 b8/3
B. D3/8 = 4 b3/8
C. D2/3 = 4 b2/3
D. D3/2 = 4 b3/2
✅ The correct answer is option A.
The coagulant which is generally not used for treating the sewage, is__________________?
A. Alum
B. Ferric chloride
C. Ferric sulphate
D. Chlorinated copperas
✅ The correct answer is option A.
Fresh sewage is generally_____________________?
A. Alkaline
B. Acidic
C. Highly decomposed
D. A source of objectionable odour
✅ The correct answer is option A.
The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is____________________?
A. 1.095
B. 1.085
C. 1.075
D. 1.065
✅ The correct answer is option A.
Dimensions of surface tension are_________________?
A. MlL°T2
B. MlL°Tx
C. MlL r2
D. MlL2T2
✅ The correct answer is option A.
The vapour pressure over the concave surface is__________________?
A. less man the vapour pressure over the plane surface
B. equal to the vapour pressure over the plane surface
C. greater than the vapour pressure over the plane surface
D. zero
✅ The correct answer is option A.
Viscosity of water in comparison to mercury is ______________________?
A. higher
B. lower
C. same
D. higher/lower depending on temperature
✅ The correct answer is option A.