CHEMICAL ENGINEERING | Chemical Process

Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove

Byadmin August 10, 2022

Question: Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
[A].

colour

[B].

turbidity

[C].

bacteria

[D].

all (a), (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Furnace Technology

Furnace pressure is normally controlled by regulating the

Question: Furnace pressure is normally controlled by regulating the
[A].

air pressure
[B].
fuel gas pressure
[C].
speed of I.D. fan
[D].
damper

Answer: Option D

Explanation:

No answer description available for this question.

Read More Furnace pressure is normally controlled by regulating the
CHEMICAL ENGINEERING | Chemical Process

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

Question: A bio-catalyst produced by living cells which acts independent of the cell is called a/an
[A].

substrate
[B].
enzyme
[C].
nutrient
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More A bio-catalyst produced by living cells which acts independent of the cell is called a/an
CHEMICAL ENGINEERING | Chemical Engineering Basics

Large diameter shafts are manufactured by

Question: Large diameter shafts are manufactured by
[A].

hot rolling.
[B].
cold drawing.
[C].
casting and turning to size.
[D].
forging and turning to size.

Answer: Option D

Explanation:

No answer description available for this question.

Read More Large diameter shafts are manufactured by
CHEMICAL ENGINEERING | Furnace Technology

Maximum heat transfer in high temperature furnaces is by

Question: Maximum heat transfer in high temperature furnaces is by
[A].

conduction
[B].
convection
[C].
radiation
[D].
either (a), (b) or (c); depends on the type of furnace

Answer: Option C

Explanation:

No answer description available for this question.

Read More Maximum heat transfer in high temperature furnaces is by
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Co-efficient of Performance (COP) of a refrigerator is the ratio of the

Question: Co-efficient of Performance (COP) of a refrigerator is the ratio of the
[A].

work required to refrigeration obtained.
[B].
refrigeration obtained to the work required.
[C].
lower to higher temperature.
[D].
higher to lower temperature.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Co-efficient of Performance (COP) of a refrigerator is the ratio of the
CHEMICAL ENGINEERING | Mass Transfer

According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B ? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn.

Question: According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B ? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn.
[A].

5
[B].
9
[C].
12
[D].
28

Answer: Option C

Explanation:

No answer description available for this question.

Read More According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B ? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn.

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