Function of air vessel provided in a reciprocating pump is to_________________?

Byadmin March 9, 2019August 26, 2021

Function of air vessel provided in a reciprocating pump is to_________________?

A. Reduce discharge fluctuation
B. Reduce the danger of cavitation
C. Avoid the necessity of priming
D. Increase the pump efficiency

Fluid Mechanics for Chemical

In fluid flow, the stagnation point is defined as a point, where the _____________ is zero?

In fluid flow, the stagnation point is defined as a point, where the _____________ is zero?

A. Flow velocity
B. Pressure
C. Total energy
D. All A., B. and C.

Read More In fluid flow, the stagnation point is defined as a point, where the _____________ is zero?
Fluid Mechanics for Chemical

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

Read More 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_________________?
Fluid Mechanics for Chemical

Foot valves are provided in the suction line of a centrifugal pump to ____________________?

Foot valves are provided in the suction line of a centrifugal pump to ____________________?

A. Avoid priming, every time we start the pump
B. Remove the contaminant present in the liquid
C. Minimise the fluctuation in discharge
D. Control the liquid discharge

Read More Foot valves are provided in the suction line of a centrifugal pump to ____________________?
Fluid Mechanics for Chemical

Slugging in a fluidised bed can be avoided by using_____________________?

Slugging in a fluidised bed can be avoided by using_____________________?

A. Tall narrow vessel
B. Deep bed of solids
C. Shallow beds of solids and proper choice of particle size
D. Very large particles

Read More Slugging in a fluidised bed can be avoided by using_____________________?
Fluid Mechanics for Chemical

The pressure head on sudden contraction in a horizontal pipe is converted into the _____________ head?

The pressure head on sudden contraction in a horizontal pipe is converted into the _____________ head?

A. Elevation
B. Velocity
C. Both A. & B.
D. Neither A. nor B.

Read More The pressure head on sudden contraction in a horizontal pipe is converted into the _____________ head?
Fluid Mechanics for Chemical

Pick out the Hagen-Poiseuille‟s equation ?

Pick out the Hagen-Poiseuille‟s equation ?

A. Δp/ρ = 4f (L/D) (V2/2gc)
B. Δp = 32 (μLV/gc. D2)
C. Δp/L = 150 [(1 – ε)/ε3]. (μ.V0
2/g2cD)
D. Δp/L = 1.75 [(1 – ε)/ε3]. (ρV0
2/gcDp)

Read More Pick out the Hagen-Poiseuille‟s equation ?

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