Search
.Management Sciences
Category: Hydraulics and Fluid Mechanics
Principle of similitude forms the basis of__________________?
A. comparing two identical equipments
B. designing models so that the result can be converted to prototypes
C. comparing similarity between design and actual equipment
D. hydraulic designs
E. performing acceptance tests
The angle of contact in case of a liquid depends upon____________________?
A. the nature of the liquid and the solid
B. the material which exists above the free surface of the liquid
C. both of die above
D. any one of the above
E. none of die above
The units of kinematic viscosity are_______________?
A. metres2 per sec
B. kg sec/meter
C. newton-sec per meter
D. newton-sec per meter
E. none of the above
The resultant upward pressure of the fluid on an immersed body is called__________________?
A. upthrust
B. buoyancy
C. center of pressure
D. all the above are correct
E. none of above is correct
The tendency of a liquid surface to contract is due to the following property_________________?
A. cohesion
B. adhesion
C. viscosity
D. surface tension
E. elasticity
Which of the following meters is not associated with viscosity__________________?
A. Red wood
B. Say bolt
C. Engler
D. Orsat
E. none of the above
Which of the following manometer has highest sensitivity __________________?
A. U-tube with water
B. inclined U-tube
C. U-tube with mercury
D. micro-manometer with water
E. displacement type
Capillary action is due to the__________________?
A. surface tension
B. cohesion of the liquid
C. adhesion of the liquid molecules and the molecules on the surface of a solid
D. all of the above
E. none of the above
For manometer, a better liquid combination is one having______________?
A. higher surface tension
B. lower surface tension
C. surface tension is no criterion
D. high density and viscosity
E. low density and viscosity
During the opening of a valve in a pipe line, the flow is___________________?
A. steady
B. unsteady
C. uniform
D. laminar
E. free vortex type
Recent Comments