When the rate of change of discharge of outlet equals the rate of change of discharge of the channel, the out let is called __________________?
A. Sensitive B. Flexible C. Proportional D. Non-flexible
Water Management MCQs
When the high flood level of the drain is sufficiently below the bed of the Canal that the drainage water flows freely under gravity, such structure is called___________________?
A. Aqueduct B. Syphon-aqueduct C. Cross-Drainage D. Non-gravity structure
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
An open cut given in a canal bank, suitably protected by stone pitching to the upland drainage water into the canal is called ___________________?
A. Inlet B. Out let C. entrance D. Mixing
Mostly the salt of calcium and Magnesium can not cause ________________?
A. Salinity B. Alkalinity C. Poisoning D. Turbidity
The water in swimming pools can be ____________ by using any one from the following, chlorine-ultraviolet rays and bromine t ?
A. Disinfected B. Infected C. Cleaned D. Iodized
A digging out of earth to make trench for any engineering purpose is called ______________________?
A. Excavation B. Cavitations C. borrow pitting D. Earth filling
Velocity of flow in a sewer must be form ______________ to ?
A. 1 m / sec to 3m/ sec B. 3m / sec to 4m/ sec C. 4m / sec to 4.5 ml sec D. 4.5 ml sec to 5 m/ sec
The aeration of water is done to remove _________________?
A. Odour B. Smell C. Colour D. Taste
Darcy formula for loss of head in pipes is given by, hf=4fl v2 / __________________?
A. 2gd B. gd C. g2d D. gd2