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Process Equipment and Plant Design

Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as_________________?

Process Equipment and Plant Design /
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as_________________?

A. Δp = G
B. Δp = G0.5
C. Δp = G2
D. Δp = 1/G0.6

Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as_________________? Read More »

Process Equipment and Plant Design

Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate ?

Process Equipment and Plant Design /
Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate ?

A. 2
B. ½
C. 4
D. 8

Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate ? Read More »

Process Equipment and Plant Design

In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon______________________?

Process Equipment and Plant Design /
In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon______________________?

A. Baffle spacing
B. Clearance
C. Pitch
D. None of these

In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon______________________? Read More »

Process Equipment and Plant Design

Correct use of ‘factor of safety’ is very important in equipment design. It is defined as the ratio of the___________________?

Process Equipment and Plant Design /
Correct use of ‘factor of safety’ is very important in equipment design. It is defined as the ratio of the___________________?

A. Ultimate stress to breaking stress
B. Ultimate stress to working stress
C. Working stress to ultimate stress
D. None of these

Correct use of ‘factor of safety’ is very important in equipment design. It is defined as the ratio of the___________________? Read More »

Process Equipment and Plant Design

For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by____________________?

Process Equipment and Plant Design /
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by____________________?

A. Di, opt = 3 Q0.36 ρ0.18
B. Di, opt = 3.9 Q0.45 ρ0.23
C. Di, opt = 7.6 Q0.36 ρ0.9
D. Di, opt = 3 Q0.36 ρ1.86 μ0.08

For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by____________________? Read More »

Process Equipment and Plant Design

Column support for the roof of cylindrical storage tank must be provided for___________________?

Process Equipment and Plant Design /
Column support for the roof of cylindrical storage tank must be provided for___________________?

A. Small diameter tanks
B. Large diameter tanks
C. Small diameter tall tanks
D. All tanks irrespective of their heights and diameters

Column support for the roof of cylindrical storage tank must be provided for___________________? Read More »

Process Equipment and Plant Design