A. orifice plate
B. venturi
C. rotameter
D. pitot tube
E. nozzle
Related Mcqs:
- The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is___________________?
A. 1.5
B. 2.0
C. 3.0
D. 4.0 - For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed________________?
A. 1.5
B. 2.0
C. 2.5
D. 3.0 - For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed__________________?
A. 1.5
B. 2.0
C. 2.5
D. 3.0 - To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than_______________?
A. 2.4 m above the hydraulic gradient
B. 6.4 m above the hydraulic gradient
C. 10.0 m above the hydraulic gradient
D. 5.0 above the hydraulic gradient
E. none of the above - If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by_________________?
A. Chezy
B. Manning
C. Bazin
D. Kutter - During the opening of a valve in a pipe line, the flow is___________________?
A. steady
B. unsteady
C. uniform
D. laminar
E. free vortex type - If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is_______________?
A. D’ = 0.64 D
B. D’ = 0.74 D
C. D’ = 0.84 D
D. D’ = 0.94 D - A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is __________________?
A. 9,000 kg
B. 13,500 kg
C. 18,000 kg
D. 27,000 kg
E. 30,000 kg - The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is_____________________?
A. 0.05552 cumec
B. 0.05554 cumec
C. 0.05556 cumec
D. 0.0556 cumec - If the depth of partial flow in a sewer of diameter 2 m, is 50 cm, its wetted perimeter is____________________ ?
A. 1/3
B. 0/2
C. 0/3
D. 2 /3
