D. keeps on increasing
B. keeps on decreasing
C. remains constant
D. may increase/decrease
E. unpredictable
Related Mcqs:
- In the case of steady flow of a fluid, the acceleration of any fluid particle is__________________?
A. constant
B. variable
C. zero
D. zero under limiting conditions
E. never zero - If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be_________________?
A. higher than the surface of liquid
B. the same as the surface of liquid
C. lower than the surface of liquid
D. unpredictable
E. none of the above - The pressure at a point in a fluid will not be same in all the directions when the fluid is________________?
A. moving
B. viscous
C. viscous and static
D. inviscous and moving
E. viscous and moving - The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to____________________?
A. Buoyancy
B. Equilibrium of a floating body
C. Archimedes’ principle
D. Bernoulli’s theorem
E. Metacentric principle - A perfect gas_________________?
A. has constant viscosity
B. has zero viscosity
C. is incompressible
D. is of theoretical interest
E. none of the above - At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be_______________?
A. minimum
B. maximum
C. zero
D. negative value
E. could be any value - The self-cleansing velocity of water flowing through pipe lines, is___________________ ?
A. 2 metres/sec
B. 1 metre/sec
C. 0.5 metre/sec
D. 0.25 metre/sec - weight of water, the hydraulic mean depth of the sewer and the bed slope w is the unit of the sewer, then the tractive force exerted by flowing water, is________________________?
A. w r S S
B. w r1/2
C. w r S
D. w r2/3 - The flow in which each liquid particle has a definite path and their paths do not cross each other is called____________________?
A. one dimensional flow
B. uniform flow
C. steady flow
D. turbulent flow
E. streamline flow - For a continuous flow type of sedimentation tanks__________________?
A. Width of the tank is normally kept about 6 m
B. Length of the tank is normally kept 4 to 5 times the width
C. Maximum horizontal flow velocity is limited to 0.3 m/minute
D. All the above