A mono pump is a __________ pump ?
A. Centrifugal
B. Piston
C. Positive acting rotary
D. A group of vacuum
Fluid Mechanics for Chemical
Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the___________________?
Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the___________________?
A. Pipe length
B. Fluid velocity in the pipe
C. Time taken to close the valve
D. All A., B. and C.
If more than two branches of pipes are to be connected at the same point, then use a/an_________________?
If more than two branches of pipes are to be connected at the same point, then use a/an_________________?
A. Elbow
B. Union
C. Tee
D. None of these
In fluid flow, the boundary layer separation cannot occur___________________?
In fluid flow, the boundary layer separation cannot occur___________________?
A. In case of boundaries experiencing form drag
B. At points of abrupt changes in the flow directions
C. In laminar flow
D. None of these
Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg ?
Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg ?
A. 1
B. 0.1
C. 0.01
D. 0.001
Bernoulli‟s equation does not apply to the functioning of a/an__________________?
Bernoulli‟s equation does not apply to the functioning of a/an__________________?
A. Venturimeter
B. Orificemeter
C. pitot tube
D. None of these
Which of the fluid forces are not considered in the Reynold’s equation of flow ?
Which of the fluid forces are not considered in the Reynold’s equation of flow ?
A. Viscous forces
B. Turbulent forces
C. Pressure forces
D. Compressibility forces
Which of the following pipe bends will incur the largest head loss ?
Which of the following pipe bends will incur the largest head loss ?
A. U-bend
B. 30° bend
C. 45° bend
D. 90° bend
A differential pressure cell is used for____________________________?
A differential pressure cell is used for____________________________?
A. Measuring small pressure difference in gases
B. Measuring small pressure difference in liquids
C. Remote recording of pressure difference
D. Measuring the difference of the impact & the static pressure
If ‘x’ is the depth of flow in an open channel of large width, then the hydraulic radius is equal to________________?
If ‘x’ is the depth of flow in an open channel of large width, then the hydraulic radius is equal to________________?
A. x
B. x/2
C. x/3
D. 2x/3