551. 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

552. 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. A and B are correct

553. 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%

554. The resultant pressure of water acting at ________________________?

A. H/3
B. H/2
C. 2H/3
D. None of these

555. 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

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

A. Water escape
B. Spillway
C. Channel
D. All are correct

557. 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 are correct

558. 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

559. 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

560. 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


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