CHEMICAL ENGINEERING | Heat Transfer

Heat flux through several resistances in series in analogous to the current flowing through several

Byadmin August 23, 2022

Question: Heat flux through several resistances in series in analogous to the current flowing through several
[A].

resistances in parallel.

[B].

capacitors in series.

[C].

resistances in series.

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

Fahrenheit and Centigrade scales have the same readings at

Question: Fahrenheit and Centigrade scales have the same readings at
[A].

-55°
[B].
-40°
[C].
-33°
[D].
-58°

Answer: Option B

Explanation:

No answer description available for this question.

Read More Fahrenheit and Centigrade scales have the same readings at
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be

Question: In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be
[A].

5.2
[B].
6.2
[C].
0.168
[D].
data insufficient, can’t be found out

Answer: Option A

Explanation:

No answer description available for this question.

Read More In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be
CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ furnace is generally used in the non-ferrous foundaries.

Question: __________ furnace is generally used in the non-ferrous foundaries.
[A].

Direct arc
[B].
Indirect arc
[C].
Resistance
[D].
Induction

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ furnace is generally used in the non-ferrous foundaries.
CHEMICAL ENGINEERING | Heat Transfer

Boiling point elevation for a strong and concentrated solution is found by Duhring’s rule, which states that at the same pressure, the boiling point of a solution is a linear function of the __________ of pure water.

Question: Boiling point elevation for a strong and concentrated solution is found by Duhring’s rule, which states that at the same pressure, the boiling point of a solution is a linear function of the __________ of pure water.
[A].

boiling point
[B].
dynamic viscosity
[C].
kinematic viscosity
[D].
density

Answer: Option A

Explanation:

No answer description available for this question.

Read More Boiling point elevation for a strong and concentrated solution is found by Duhring’s rule, which states that at the same pressure, the boiling point of a solution is a linear function of the __________ of pure water.
CHEMICAL ENGINEERING | Heat Transfer

A sphere of radius ‘R1’ is enclosed in a sphere of radius ‘R2’. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is

Question: A sphere of radius ‘R1’ is enclosed in a sphere of radius ‘R2’. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is
[A].

0
[B].
R2/(R1+R2)
[C].
1
[D].
(R1/R2)2

Answer: Option B

Explanation:

No answer description available for this question.

Read More A sphere of radius ‘R1’ is enclosed in a sphere of radius ‘R2’. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is
CHEMICAL ENGINEERING | Chemical Engineering Basics

An example of unsteady non uniform flow is the flow of liquid under pressure through a

Question: An example of unsteady non uniform flow is the flow of liquid under pressure through a
[A].

tapering pipe at constant flow rate.
[B].
tapering pipe at either decreasing or increasing flow rate.
[C].
long pipeline of constant diameter.
[D].
none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Read More An example of unsteady non uniform flow is the flow of liquid under pressure through a

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