A. smooth and streamline flow
B. laminar flow
C. steady flow
D. turbulent flow
E. highly turbulent flow
Related Mcqs:
- Fluid is a substance which offers no resistance to change of_________________?
A. pressure
B. flow
C. shape
D. volume
E. temperature - An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of_________________?
A. 1
B. 1.2
C. 0.8
D. 0.75
E. 1.25 - 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of_________________?
A. 0°C
B. 15°C
C. 20°C
D. 25°C - The pH value of sewage is determined with the help of_________________?
A. Imhoff Cone
B. Turbid meter
C. Potentiometer
D. None of these - For treating the sewage of a large city, you will recommend_________________?
A. A sedimentation tank and an activated sludge treatment plant
B. A plant consisting of Imhoff tanks with low rate trickling filters
C. Sedimentation tanks with high rate trickling filters
D. None of these - For large sewers, maximum distance between manholes may be_______________?
A. 50 m
B. 100 m
C. 200 m
D. 300 m - Large diameter sewers subjected to external pressure alone, are reinforced ______________________?
A. Near the inner surface of the pipe
B. Near the outer surface of the pipe
C. Both A. and B.
D. With elliptical cage - Disposal to sewage in large cities, is done in__________________?
A. Irrigation
B. Dilution
C. Oxidation
D. Purification - To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is_________________?
A. 0.50 m/sec
B. 0.60 m/sec
C. 0.70 m/sec
D. 0.75 m/sec - Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be ___________________?
A. 1000 kg
B. 4000 kg
C. 2000 kg
D. 8000 kg
E. 16000 kg
