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Process Equipment and Plant Design

Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

1/2 and 8
1/64 and 1/8
1/8 and 1/64
1/2 and 5

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Process Equipment and Plant Design
For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between __________ times the tank diameter.

2.5 to 3.5
4 to 5
1 to 1.5
6 to 8

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Process Equipment and Plant Design
Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger?

25% cut segmental baffle
Disk and doughnut baffle
Orifice baffle
75% cut segmental baffle

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Process Equipment and Plant Design
__________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.).

Conical
Ellipsoidal
Dished
Hemispherical

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Process Equipment and Plant Design
Heat transfer co-efficient, hG(Kcal/hr.m² .°C) and mass velocity of air, G (kg/hr.m² ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

1.004G0.8
HG = 1.004G0.37
0.0176G1.37
HG = 0.0176G0.37

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Process Equipment and Plant Design
25 per cent cut segmental baffle means that the baffle

Width is 25% of its height
Height is 25% of the I.D. of the shell
Height is 75% of the I.D. of the shell
Spacing is 75% of its height

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