CHEMICAL ENGINEERING | Mass Transfer

Back-trapping in a distillation column

Byadmin August 29, 2022

Question: Back-trapping in a distillation column
[A].

increases tray efficiency.

[B].

decreases tray efficiency.

[C].

reduces pressure drop.

[D].

is desirable, as it provides improved vapour-liquid contact.

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

In electrical resistance welding, distortion results from the use of improper

Question: In electrical resistance welding, distortion results from the use of improper
[A].

clamping methods
[B].
electrodes
[C].
current
[D].
filler material

Answer: Option A

Explanation:

No answer description available for this question.

Read More In electrical resistance welding, distortion results from the use of improper
CHEMICAL ENGINEERING | Fertiliser Technology

Fauser Monte Catini converter is used for

Question: Fauser Monte Catini converter is used for
[A].

ammonia synthesis (e.g. at FCI Sindri).
[B].
methanation of CO and CO2.
[C].
shift conversion (i.e. CO to CO2).
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Fauser Monte Catini converter is used for
CHEMICAL ENGINEERING | Chemical Engineering Basics

By X-ray diffraction, it is not possible to determine the

Question: By X-ray diffraction, it is not possible to determine the
[A].

preferred orientation.
[B].
residual localised stresses.
[C].
particle size.
[D].
ordered arrangement of magnetic moments.

Answer: Option B

Explanation:

No answer description available for this question.

Read More By X-ray diffraction, it is not possible to determine the
CHEMICAL ENGINEERING | Heat Transfer

Multipass heat exchangers are used

Question: Multipass heat exchangers are used
[A].

because of simplicity of fabrication.
[B].
for low heat load.
[C].
to obtain higher heat transfer co-efficient and shorter tube.
[D].
to reduce the pressure drop.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Multipass heat exchangers are used
CHEMICAL ENGINEERING | Chemical Engineering Basics

While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ x Tm (where, Tm Melting temperature).

Question: While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ x Tm (where, Tm Melting temperature).
[A].

0.25
[B].
0.45
[C].
0.70
[D].
0.95

Answer: Option C

Explanation:

No answer description available for this question.

Read More While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ x Tm (where, Tm Melting temperature).
CHEMICAL ENGINEERING | Thermodynamics for Chemical

Which of the following is not correct for a reversible adiabatic process ?

Which of the following is not correct for a reversible adiabatic process ?

A. TVγ-1 = constant
B. p1-γ.TY = constant
C. PVγ = constant
D. None of these

Read More Which of the following is not correct for a reversible adiabatic process ?

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