Glass pipes can be joined by__________________?
A. Flanges
B. Welding
C. Soldering
D. Bell and spigot joint
Fluid Mechanics for Chemical
The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge) ?
The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge) ?
A. Q1/Q2
B. Q2/Q1
C. (Q2 – Q1)/Q1
D. (Q2 – Q1)/Q2
Scale up of agitator design requires________________?
Scale up of agitator design requires________________?
A. Geometrical similarity only
B. Dynamic similarity only
C. Both geometrical and dynamic similarity
D. All geometrical, dynamic and kinematic similarity
The velocity for subsonic flow in a pipeline_______________?
The velocity for subsonic flow in a pipeline_______________?
A. Increases in the downstream direction
B. Is constant
C. Decreases in the downstream direction
D. Is independent of the area of flow
For steady ideal fluid flow, the Bernoulli’s equation states that the_________________?
For steady ideal fluid flow, the Bernoulli’s equation states that the_________________?
A. Velocity is constant along a stream line
B. Energy is constant throughout the fluid
C. Energy is constant along a stream line, but may vary across stream lines
D. None of these
Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton’s law of viscosity. (II) Newton’s second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary?
Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton’s law of viscosity. (II) Newton’s second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary?
A. I, II, III
B. II, III, V
C. I, II, V
D. II, IV, V
Purpose of air lift pump is to____________________?
Purpose of air lift pump is to____________________?
A. Compress air
B. Lift compressed air
C. Lift water from a well by using compressed air
D. Lift air under negative pressure
A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now_________________?
A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now_________________?
A. Increase
B. Decrease
C. Remain same
D. Data insufficient to predict
Select the correct practical example of steady non-uniform flow?
Select the correct practical example of steady non-uniform flow?
A. Motion of water around a ship in a lake
B. Motion of river around bridge piers
C. Steadily decreasing flow through a reducing section
D. Steadily increasing flow through a pipe
Pressure co-efficient is the ratio of pressure forces to __________________________ forces?
Pressure co-efficient is the ratio of pressure forces to __________________________ forces?
A. Gravity
B. Inertial
C. Viscous
D. None of these