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Process Equipment and Plant Design

Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is_____________?

Process Equipment and Plant Design /
Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is_____________?

A. More
B. Same
C. Less
D. Twice

Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is_____________? Read More »

Process Equipment and Plant Design

Diameter of bubble caps used in high pressure columns is ______________ as compared to that used in identical vacuum columns?

Process Equipment and Plant Design /
Diameter of bubble caps used in high pressure columns is ______________ as compared to that used in identical vacuum columns?

A. Less
B. More
C. Same
D. Either A. or B.; no generalisation can be made

Diameter of bubble caps used in high pressure columns is ______________ as compared to that used in identical vacuum columns? Read More »

Process Equipment and Plant Design

In packed absorption tower, onset of flooding usually occurs at a pressure drop of about ______________ mm of water column per metre height of packing?

Process Equipment and Plant Design /
In packed absorption tower, onset of flooding usually occurs at a pressure drop of about ______________ mm of water column per metre height of packing?

A. 25-50
B. 50-75
C. 200-250
D. 750-1000

In packed absorption tower, onset of flooding usually occurs at a pressure drop of about ______________ mm of water column per metre height of packing? Read More »

Process Equipment and Plant Design

In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer coefficient (hi) vanishes after a Reynold number of_____________?

Process Equipment and Plant Design /
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer coefficient (hi) vanishes after a Reynold number of_____________?

A. 1000
B. 3000
C. 5000
D. 10000

In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer coefficient (hi) vanishes after a Reynold number of_____________? Read More »

Process Equipment and Plant Design

The safe distance of habitation from a hazardous chemical plant (TLV of its product < 1000 ppm) should be about ______________ kms?

Process Equipment and Plant Design /
The safe distance of habitation from a hazardous chemical plant (TLV of its product < 1000 ppm) should be about ______________ kms?

A. 1
B. 5
C. 15
D. 25

The safe distance of habitation from a hazardous chemical plant (TLV of its product < 1000 ppm) should be about ______________ kms? Read More »

Process Equipment and Plant Design