CHEMICAL ENGINEERING

Joining of thin foils is preferred to be done by _____________________?

Byadmin February 7, 2019August 20, 2021

Joining of thin foils is preferred to be done by _____________________?

A. Gamma rays
B. X-rays
C. Microwaves
D. Gas welding

CHEMICAL ENGINEERING | Mass Transfer

__________ extractor uses centrifugal force for separating the two phases.

Question: __________ extractor uses centrifugal force for separating the two phases.
[A].

Treybal
[B].
Schiebel
[C].
Podbielniak
[D].
None of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ extractor uses centrifugal force for separating the two phases.
CHEMICAL ENGINEERING | Fluid Mechanics

At a constant speed of the centrifugal pump . it __________ the impeller diameter.

Question: At a constant speed of the centrifugal pump . it __________ the impeller diameter.
[A].

capacity varies directly with
[B].
head varies as the square of
[C].
horsepower varies as the cube of
[D].
all (a), (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.

Read More At a constant speed of the centrifugal pump . it __________ the impeller diameter.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are

Question: A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are
[A].

equal in size.
[B].
of different sizes.
[C].
of such size that the ratio of their volumes is < 5.
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are
CHEMICAL ENGINEERING

Which of the following is not the function of a volute casing provided in a centrifugal pump ?

Which of the following is not the function of a volute casing provided in a centrifugal pump ?

A. To reduce the head loss in discharge
B. To increase the pump efficiency
C. To collect liquid from the periphery of the impeller and to transmit it to the delivery pipe at
constant velocity
D. To increase the pump discharge rate

Read More Which of the following is not the function of a volute casing provided in a centrifugal pump ?
CHEMICAL ENGINEERING | Chemical Engineering Basics

Lead is poured into the joint between two- __________ pipes.

Question: Lead is poured into the joint between two- __________ pipes.
[A].

mild steel
[B].
concrete
[C].
cast iron
[D].
asbestos cement

Answer: Option C

Explanation:

No answer description available for this question.

Read More Lead is poured into the joint between two- __________ pipes.
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.

Question: At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.
[A].

increases
[B].
decreases
[C].
remains unchanged
[D].
may increase or decrease; depends on the gas

Answer: Option C

Explanation:

No answer description available for this question.

Read More At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.

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