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water management MCQs

Practise focused water management questions with marked answers for exam preparation and subject revision.

water management Mcqs

1. Which of the following is a cash crop ___________________?
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A. Paddy

B. Cotton

C. Wheat

D. Maize

2. Surface tension is the property of a liquid which enables it to resist tensile stress. the surface tension of water is equal to ______________ Kg/m?
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A. 0.006

B. 0.0075

C. 0.0056

D. 0.0065

3. The total energy line lies over the hydraulic gradient line by an amount equal to________________?
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A. v/2g

B. v2/g

C. v2/2g

D. v/g

4. The contour of equal water heads and pressure in the soil mass beneath retaining structure are called___________________?
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A. Equipotential lines

B. Streak lines

C. Stream lines

D. Equilibrium lines

5. The steep conduits made in the body of dam for running turbines to generate hydro-electric power are called__________________?
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A. Penstocks

B. Tunnels

C. Chuttes

D. Weep holes

6. Specific weight of a liquid is defined as the weight per unit volume at standard Temperature & pressure therefore specific weight of water of water is equal to ____________ kg/m3 in MKS system ?
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A. 999

B. 1000

C. 995

D. 990

7. The delta the total depth of water consumed by a crop from 1st watering when matures, the delta for rice is___________________?
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A. 75cm

B. 120cm

C. 100cm

D. 80cm

8. The fixing of points in such away or the ground to have a correct lines for setting a canal or water course is called _________________?
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A. Designing of canal

B. Alignment of canal

C. Lining of canal

D. All are correct

9. A line shown on a contour map, set out on ground between certain constant points of slope is called___________________?
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A. Contour line

B. Counter interval

C. Contour gradient

D. Gradient

10. An aquifer in which water contained under high pressure as the aquifer is sand witched between two impervious layer is called___________________?
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A. Confined aquifer

B. All are correct

C. No-Artesian aquifer

D. Un-confined aquifer

11. The ideal crop for wastewater or sewage irrigation is _______________________?
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A. Dates

B. Mango

C. Banana

D. Orange

12. A flow of water for a certain discharge when total energy of flow i.e. sum of potential, kinetic and pressure energies is minimum is called_______________________?
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A. Normal flow

B. Sub-critical flow

C. Critical flow

D. Shooting flow

13. Piezometer tube is open to both ends mostly used to measure ____________________?
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A. absolute pressure

B. Vacuum pressure

C. Atmospheric pressure

D. gauge pressure

14. Volume of water that unit volume of aquifer will give up by gravity pull is called ____________________?
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A. Specific volume

B. All are correct

C. Specific yield

D. Specific retention

15. A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?
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A. Turbulent flow

B. Laminar flow

C. Circular flow

D. Rotational flow

16. The process of consolidation of stabilized earth work in canal or river embankments. In this process the soil is deposited in layers of specified thickness and at a particular moisture content is called __________________?
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A. Soil stabilization

B. Densification

C. All are correct

D. Compaction

17. The permissible limit of hardness of water fore low pressure boiler is _____________________?
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A. 60 mg/litre

B. 50 mg/litre

C. 40 mg/litre

D. 30 mg/litre

18. The angle between a head regulator and entrance of water, for smooth entry of water in a canal is kept as _________________?
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A. 100

B. 120

C. 110

D. 90

19. __________% of total global water is saline and available in oceans ?
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A. 97.5%

B. 96%

C. 95%

D. 97%

20. The forces coming over the gravity dam is mainly resisted by ___________________?
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A. Water pressure

B. Uplift pressure

C. Self weight of the dam

D. All the above

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