A. Algai bacteria
B. Fungi bacteria i
C. Pathogenic bacteria
D. Insects
Related Mcqs:
- 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 - The field capacity is the water retained by a saturated soil after free drainage of surplus water to the ground water table but the water retained by a saturated soil after being centrifuged by a centrifugal force of 1000 times that of gravity is called________________?
A. Soil moisture
B. Equivalent moisture
C. Field moisture
D. Available moisture - If the weir flood is designed continuous with divide piers as reinforced structure,such that the weight of divide piers, keep the structure safe against uplift, is called__________________?
A. Non-gravity weir
B. Gravity weir
C. Sharp crested weir
D. Rectangular weir - Hydraulic structures are designed for a safe flow of flood. The floods which are equal in designed magnitude life of the project is called _____________________?
A. High floods
B. Ordinary floods
C. Low floods
D. Probable flood - A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?
A. Water wave
B. Water tide
C. Hydraulic jump
D. Afflux - A water pool is designed on the down stream of the hydraulic structure to dissipate the energy of falling water by providing a water cushion called ______________________?
A. Water pool
B. Cistern
C. Down stream pond
D. Water cushion - The water evaporates from paddy surfaces to the atmosphere in the form of water vapours, these water vapours get collected in the atmosphere and behave & like_________________?
A. Water
B. Snow
C. Ice particles
D. Gas - Water logging caused by ____________ water, which during excessive irrigation percolates down and join under ground water table?
A. Capillary
B. Hygroscopic
C. Gravity
D. Free - From a water fall, if water is falling down at the rate of 100 N/sec: on the blades of a turbine when the height of fall is 100 m the power delivered to turbine will be______________?
A. 1000 kw
B. 10,000 kw
C. 100 kw
D. 5000 kw - When seepage water after passing the ground water aquifer joins the surface stream, such stream will be called_____________________?
A. Influent stream
B. Effluent stream
C. Rain stream
D. Storm stream