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.Management Sciences
Category: Fluid Mechanics
Metacentric height is the distance between the metacentre and_______________?
A. water surface
B. center of pressure
C. center of gravity
D. center of buoyancy
E. none of the above
To avoid an interruption in the flow of a syphon, an air vessel is provided__________________?
A. at the inlet
B. at the outlet
C. at the summit
D. ay nay point between inlet and outlet
E. none of the above
Pitot tube is used for measurement of_________________?
A. pressure
B. flow
C. velocity
D. dsscharge
E. viscosity
Cavitation is caused by_____________________?
A. high velocity
B. high pressure
C. weak material
D. low pressure
E. low 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
A metal with specific gravity of o floating in a fluid of same specific gravity a will____________________?
A. sink to bottom
B. float over fluid
C. partly immersed
D. be fully immersed with top surface at fluid surface
E. none of the above
The ratio of absolute viscosity to mass density is known as_________________?
A. specific viscosity
B. viscosity index
C. kinematic viscosity
D. coefficient of viscosity
E. coefficient of compressibility
Liquids_________________?
A. cannot be compressed
B. occupy definite volume
C. are not affected by change in pressure and temperature
D. are not viscous
E. none of the above
The flow which neglects changes in a transverse direction is known as_________________?
A. one dimensional flow
B. uniform flow
C. steady flow
D. turbulent flow
E. streamline flow
Buoyant force is___________________?
A. resultant force acting on a floating body
B. equal to the volume of liquid displaced
C. force necessary to keep a body in equilibrium
D. the resultant force on a body due to the fluid surrounding it
E. none of the above
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