The slope of the feed line in distillation operation is given by (where, q = fraction of the feed stream that is liquid ?

Byadmin March 2, 2019August 23, 2021

The slope of the feed line in distillation operation is given by (where, q = fraction of the feed stream that is liquid ?

A. -q
B. -q/(1-q)
C. -q/(q-1)
D. None of these

Process Equipment and Plant Design

Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if___________________?

Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if___________________?

A. Plain carbon steel and cast iron parts are used
B. Wall thickness is > 30 mm
C. Material of construction is high alloy steel
D. Both B. & C.

Read More Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if___________________?
Process Equipment and Plant Design

(Le/D) for couplings and unions would be_______________?

(Le/D) for couplings and unions would be_______________?

A. 60
B. 200
C. 350
D. Negligible

Read More (Le/D) for couplings and unions would be_______________?
Process Equipment and Plant Design

Steam side heat transfer co-efficient for design consideration under ordinary condition can be assumed to be about _____________ kcal/hr.m2.°C?

Steam side heat transfer co-efficient for design consideration under ordinary condition can be assumed to be about _____________ kcal/hr.m2.°C?

A. 1250
B. 2500
C. 7500
D. 15000

Read More Steam side heat transfer co-efficient for design consideration under ordinary condition can be assumed to be about _____________ kcal/hr.m2.°C?
Process Equipment and Plant Design

Commercial packed scrubbers are normally designed for a pressure drop range of ______________ mm water column per metre of packed height?

Commercial packed scrubbers are normally designed for a pressure drop range of ______________ mm water column per metre of packed height?

A. 4-8
B. 17-34
C. 52-68
D. 88-105

Read More Commercial packed scrubbers are normally designed for a pressure drop range of ______________ mm water column per metre of packed height?
Process Equipment and Plant Design

The normal range of velocity of water in pipes is _______________ m/sec?

The normal range of velocity of water in pipes is _______________ m/sec?

A. 0.1-0.5
B. 1-2
C. 10-50
D. 15-30

Read More The normal range of velocity of water in pipes is _______________ m/sec?
Process Equipment and Plant Design

The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles ?

The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles ?

A. To increase the residence time of shell side fluid
B. To provide support to the tube bundle
C. To reduce the induced vibration in the tubes
D. To increase the tube side heat transfer co-efficient by inducing turbulence

Read More The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles ?

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