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Process Equipment and Plant Design

Process Equipment and Plant Design
The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

2 to 2.5
1.5 to 2
0.5 to 1
1 to 1.5

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Process Equipment and Plant Design
For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.

27
25
26
23

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Process Equipment and Plant Design
Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type.

Fluid in
Flared out
Ring plate
Nozzle or rim

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Process Equipment and Plant Design
The dust collection efficiency of a cyclone separator

Decreases with increase in gas flow rate
Is directly proportional to the radius of the dust particle path
None of these
Is inversely proportional to the mass of the dust particle

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Process Equipment and Plant Design
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure

Remains same
Decreases
Increases
May increase or decrease depending upon the solubility of the gas in the liquid

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Process Equipment and Plant Design
Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation?

Sorel-Lewis method
None of these
McCabe-Thiele's method
Ponchon-Savarit method

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