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
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 ___________________?
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
The dam built for the purpose of diverting water from main stream to various courses of flow is called ____________________?
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
In case of silt deposition in the dam reservoir to dispose of the effectively ________________ be used?
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
To dispose of the surplus water from dam, a water way is constructed called________________?
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
A dam which the up lift pressure of the sub-soil water by its own weight is called _________________?
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
The resultant pressure of water acting at ________________________?
The resultant pressure of water acting at ________________________?
A. H/3
B. H/2
C. 2H/3
D. None of these
An area is officially declared as drought effected if the mean Annual rain fall is less than of the annual Potential evaporation,______________?
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%
A channel artificially constructed for water conveyance of appreciable quantities with no problem of silting and scouring is called ____________________?
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
The law which states that the intensity of pressure at any point in a liquid at rest is same in all directions_________________?
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