WATER MANAGEMENT MCQs

1. 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 ?

A. 900

B. 1000

C. 1100

D. 1200

2. Compressibility of a liquid is defined as vertical or contraction in volume with variation of pressure. Therefore water is considered as ___________________?

A. Expandable

B. In-Compressible

C. Compressible

D. All of the above

3. The law which states that the intensity of pressure at any point in a liquid at rest is same in all directions_________________?

A. Darcy’s law

B. Archimed’s law

C. Pascal’s law

D. None of these

4. A channel artificially constructed for water conveyance of appreciable quantities with no problem of silting and scouring is called ____________________?

A. A regime canal

B. Stable canal

C. Alluvial canal

D. None of these

5. An area is officially declared as drought effected if the mean Annual rain fall is less than of the annual Potential evaporation,______________?

A. 70%

B. 75%

C. 80%

D. 85%

6. The resultant pressure of water acting at ________________________?

A. H/2

B. H/3

C. 2H/2

D. 2H/3

7. A dam which the up lift pressure of the sub-soil water by its own weight is called _________________?

A. Buttress dam

B. Arch dam

C. Gravity dam

D. Concrete dam

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

A. Water escape

B. Spillway

C. Channel

D. All of the above

9. In case of silt deposition in the dam reservoir to dispose of the effectively ________________ be used?

A. Vortex pipes

B. Silt excluders

C. Silt ejectors

D. All of the above

10. The dam built for the purpose of diverting water from main stream to various courses of flow is called ____________________?

A. Coffer dam

B. Detention dam

C. Diversion dam

D. Gravity dam

11. Specific gravity of a liquid is defined as the ratio of its specific weight to that of pure water and standard temperature and pressure. Therefore specific gravity is equal to ___________________?

A. 1.0

B. 1.2

C. 1.5

D. 2.0

12. 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?

A. 0.0056

B. 0.006

C. 0.0065

D. 0.0075

13. An escape constructed with masonry or pitched with stones to dispose off surplus of tank or reservoir is called________________?

A. Bye-wash

B. Paved-escape

C. Water escape

D. Disposal channel

14. The permissible limit of hardness of water fore low pressure boiler is _____________________?

A. 30 mg/litre

B. 40 mg/litre

C. 50 mg/litre

D. 60 mg/litre

15. Sterilization is the process of killing ___________ of water borne diseases, so as to make it safe for hospital use?

A. Algai bacteria

B. Fungi bacteria

C. Pathogenic bacteria

D. Insects

16. Always flow inside the ground is ____________________?

A. Laminar

B. Turbulent

C. Rotational

D. Compressible

17. The resultant pressure of water on the face of dam is equal to ____________________ ?

A. 1/2 WH2

B. 1/2 WH

C. WH

D. All of the above

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

A. Tunnels

B. Chuttes

C. Penstocks

D. Weep holes

19. When reservoir is full on upstream side, the maximum stress comes upon__________________?

A. Top of dam

B. Bottom of dam

C. Face of dam

D. All of the above

20. Tanda dam is constructed on river ___________________?

A. Haro

B. Hub

C. Kohat

D. Kabul