A. Salinity
B. Alkalinity
C. Poisoning
D. Turbidity
Related Mcqs:
- Piezometer tube is open to both ends mostly used to measure ____________________?
A. Atmospheric pressure
B. gauge pressure
C. Vacuum pressure
D. absolute pressure - Water available above the top of root zone of plants is about 15% of soil moisture contents, is mostly not available to plants celled_________________?
A. Capillary water
B. Irrigation water
C. Effective water
D. Hygroscopic water - Mostly the hydraulic structures founded on ____________ soils fails because of undermining and uplift pressure?
A. Stable
B. Rocky
C. Impermeable
D. Permeable - Theoretical velocity of the jet at Vena Contracta is determined by ________________?
A. (2 gh)1/2
B. 2(gh)1/2
C. 2g (h)1/2
D. 2gh - The depth of water in a channel, corresponding to minimum specific energy is called ________________?
A. Normal depth
B. Critical depth
C. Full supply depth
D. None of these - A reference point on the ground of accurately known position which is a () point of leveling is called ________________?
A. Check point
B. Reference point
C. Control point
D. Fixed point - The piles driven in low bearing capacity soil which does not rest on hard rock but bears the coming load due to side resistance is called ________________?
A. Load Bearing
B. Frictional pile
C. Cost-in situ piles
D. All are correct - The method of irrigation in which each tree is surrounded by a border to form a pool when water is supplied is called ________________?
A. Furrow irrigation
B. Basin irrigation
C. Border irrigation
D. Check irrigation - To keep the Hydraulic structure safe against undermining the ________________ should be safe?
A. Exit gradient
B. Hydraulic gradient
C. Creep length
D. Critical exit gradient - To avoid scouring from end of structure, it is necessary to provide a ________________ at the exit point?
A. Vertical cutoff
B. Stone apron
C. Stone boom
D. Stone blocks