agriculture MCQs – Page 200

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

3981. To dispose of the surplus water from dam, a water way is constructed called________________?
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A. Channel

B. All are correct

C. Spillway

D. Water escape

3982. For a perfect incompressible liquid flowing in a continuous stream, the total energy of a particle remain the same, while the liquid particle move from one point to another this statement is called ___________________?
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A. Pascal s law

B. Bernoulli equation

C. Continuity Equation

D. Archimedes principle

3983. The water in swimming pools can be ____________ by using any one from the following, chlorine-ultraviolet rays and bromine t ?
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A. Cleaned

B. Disinfected

C. Infected

D. Iodized

3984. The structures, which are constructed on the river bed upstream of head regulator. With this clear water enters in canal such structures are called______________________?
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A. Silt ejectors

B. Silt excluders

C. Vortex pipes

D. Silt control structures

3985. The centre of pressure of a plane submerged area which holds it in equilibrium is ____________________?
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A. Always below the centre of gravity of the area

B. Coincident with centroid of area if its plane is vertical

C. Independent of the inclination of area

D. Always above the centroid of the area
3986. The force with which the particles of same body are held together is called_______________?
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A. Surface tension

B. Cohesion

C. All are correct

D. Adhesion

3987. The percentage of the volume of water filled in voids to the total volume of solids of soil grains is called__________________?
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A. Degree of saturation

B. Degree of compaction

C. Volume of saturation

D. Void ratio

3988. The line in a flow net which shows the direction of flow of water through a soil mass beneath dam are called _________________?
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A. Section lines

B. Equipotential lines

C. Streak lines

D. flow lines
3989. When seepage water after passing the ground water aquifer joins the surface stream, such stream will be called_____________________?
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A. Storm stream

B. Effluent stream

C. Influent stream

D. Rain stream

3990. The mass per unit volume of a liquid at standard temperature and pressure is called ____________________?
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A. None of these

B. Mass density

C. Specific weight

D. Specific gravity

3991. Mostly the salt of calcium and Magnesium can not cause ________________?
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A. Poisoning

B. Salinity

C. Alkalinity

D. Turbidity

3992. Aeration holes are provided to reduce the inside saturation pressure ____________________?
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A. In a cippoletti weir

B. In a suppressed weir

C. In all weir

D. In a weir with end contractions

3993. The quantity of water lost by transpiration from the plants or crops and evaporation from fields adjacent to these plants is called ___________________?
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A. Evapo-transpiration

B. Consumptive use

C. a & b are correct

D. Un-confined water

3994. Net irrigation + field irrigation losses are the requirement of _____________________?
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A. Full irrigation

B. Furrow irrigation

C. Field irrigation

D. Basin irrigation

3995. When the weight of weir balances the up lift pressure caused by the head of the water seeping below the weir bed is called ___________________?
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A. Non-gravity weir

B. Gravity weir

C. Broad crested weir

D. Cippollite weir

3996. To keep the Hydraulic structure safe against undermining the ________________ should be safe?
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A. Creep length

B. Hydraulic gradient

C. Exit gradient

D. Critical exit gradient

3997. An impermeable Formation which neither contains water nor transmits water may be called_____________________?
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A. Confined-aquifer

B. Aquifuge

C. Aquiclude

D. Aquifer

3998. That point in a body at which it will balance if loaded or supported is called ____________________?
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A. Centre of pressure

B. Centre of mass

C. Mass centre

D. Centre of gravity
3999. The floods which exceeds the designed magnitude of a reservoir is called _______________________?
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A. Storm flood

B. High floods

C. Standard protects flood

D. Intensive flood

4000. The total dissolved solids in drinking water should not exceed_________________?
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A. 1200 mg/litre

B. 1300 mg/litre

C. 1000 mg/litre

D. 1500 mg/litre