Category: Fluid Mechanics

A. linearly
B. first slowly and then steeply
C. first steeply and then gradually
D. unpredictable
E. none of the above

A. only when the fluid is frictionless
B. only when the fluid is incompressible and has zero viscosity
C. when there is no motion of one fluid layer relative to an adjacent layer
D. irrespective of the motion of one fluid layer relative to an adjacent layer
E. in case of an ideal fluid

A. are viscous
B. possess surface tension
C. are compressible
D. possess all the above properties
E. possess none of the above properties

A. pressure in pipes, channels etc.
B. atmospheric pressure
C. very low pressure
D. difference of pressure between two points
E. velocity in pipes

A. minimum
B. maximum
C. zero
D. negative value
E. could be any value

A. at normal pressure of 760 mm
B. at 4°C temperature
C. at mean sea level
D. all the above
E. none of the above

A. principle of conservation of mass holds
B. velocity and pressure are inversely proportional
C. total energy is constant throughout
D. the energy is constant along a stream-line but may vary across streamlines
E. none of the above

A. the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid
B. pressure becomes more than critical pressure
C. flow is increased
D. pressure is increased
E. none of the above

A. 2.4 m
B. 3.0 m
C. 4.0 m
D. ”2.5 m
E. 5.0 m

A. at the centroid
B. above the centroid
C. below the centroid
D. at metacentre
E. at center of pressure