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.Management Sciences
Category: Water Management
The water in swimming pools can be ____________ by using any one from the following, chlorine-ultraviolet rays and bromine t ?
0
A. Disinfected
B. Infected
C. Cleaned
D. Iodized
Direct runoff is the sum of __________________?
A. Surface run-off and mass flow
B. Bass flow and ground water run off
C. Sub-surface run off and deep percolation
D. Surface run off and flow
the phenomenon of evaporation from water surfaces, from soil surfaces around the plants and from plants and transpiration from plants is called ___________________?
A. Evapotranspiration
B. Transpiration
C. Evaporation
D. All are correct
When ever a body is immersed wholly or partially in water, it is lifted up by a force equal to the weight of water displaced by the body ?
A. Archimed’s Principle
B. Law of gravity
C. Newton’s law of otion
D. None of these
Darcy formula for loss of head in pipes is given by, hf=4fl v2 / __________________?
A. 2gd
B. gd
C. g2d
D. gd2
When FSL of the canal is sufficiently above the bed level of drainage so that canal flows under syphonis action, the structure is called _____________________?
A. Super passage
B. Syphon – Aqueduct
C. Canal-syphon
D. Aqueduct
The difference between saturation vapour pressure and actual vapour pressure at a constant temperature is called ___________________?
A. Saturation vapour pressure
B. Actual vapour pressure
C. Saturation deficit
D. Partial pressure
The ratio between the actual pressure and saturation vapour present at same temperature is called___________________?
A. Absolute Humidity
B. Relative Humidity
C. Low humidity
D. High Humidity
Mostly the hydraulic structures founded on ____________ soils fails because of undermining and uplift pressure?
A. Stable
B. Rocky
C. Impermeable
D. Permeable
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