CHEMICAL ENGINEERING | Heat Transfer

In forced convection, the Nusselt number is a function of

Byadmin August 25, 2022

Question: In forced convection, the Nusselt number is a function of
[A].

Re and Pr

[B].

Re and Gr

[C].

Pr and Gr

[D].

Re and Sc

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.

Question: The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.
[A].

refrigerant cooling
[B].
evaporator
[C].
condenser
[D].
throttling

Answer: Option C

Explanation:

No answer description available for this question.

Read More The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In a pressure enthalpy chart, the space to the left of the saturated liquid line represents

Question: In a pressure enthalpy chart, the space to the left of the saturated liquid line represents
[A].

wet vapour region
[B].
superheated vapour region
[C].
sub-cooled liquid region
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More In a pressure enthalpy chart, the space to the left of the saturated liquid line represents
CHEMICAL ENGINEERING | Chemical Reaction Engineering

A catalyst in a chemical reaction __________ free energy change in the reaction.

Question: A catalyst in a chemical reaction __________ free energy change in the reaction.
[A].

increases
[B].
decreases
[C].
either (a) or (b); depends on the type of catalyst
[D].
neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question.

Read More A catalyst in a chemical reaction __________ free energy change in the reaction.
CHEMICAL ENGINEERING | Materials and Construction

Brine solution is stored/treated in __________ lined vessels/pipes.

Question: Brine solution is stored/treated in __________ lined vessels/pipes.
[A].

rubber
[B].
lead
[C].
glass
[D].
nickel

Answer: Option D

Explanation:

No answer description available for this question.

Read More Brine solution is stored/treated in __________ lined vessels/pipes.
CHEMICAL ENGINEERING

The bolt is subjected to _______________ when the nut is tightened by putting the washer beneath it?

The bolt is subjected to _______________ when the nut is tightened by putting the washer beneath it?

A. Tension
B. Shear
C. Compression
D. Bending & tension

Read More The bolt is subjected to _______________ when the nut is tightened by putting the washer beneath it?
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

Question: Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.
[A].

less than
[B].
same as
[C].
more than
[D].
half

Answer: Option A

Explanation:

No answer description available for this question.

Read More Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

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