What is the value of the constant C when the condenser is placed horizontally?

hHOR=C \([\frac{K^3 p^2 g h_{fg}}{\mu L(T_{sat} – T_L)}]^{0.25}\)

What is the value of the constant C when the condenser is placed vertically?

hVER=C \([\frac{K^3 p^2 g h_{fg}}{\mu L(T_{sat} – T_L )}]^{0.25}\)

What is the term TL in the Nusselt theory of condensation equation for film thickness?

\(\delta = [\frac{4K(T_{sat}-T_L)\mu x}{\rho gh_{fg}}]^{1/4}\)

What is the term delta in the expression for velocity of condensate flow?

M°=\(\frac{\rho^2}{\mu}g(\frac{\delta^3}{3})\)

What is the term y in the expression for velocity of condensate flow?

U=\(\frac{\rho}{\mu}g(\delta y-\frac{y^2}{2})\)

Explore topic-wise MCQs in Heat Transfer Operations Questions and Answers.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer Operations Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.	What is the value of the constant C when the condenser is placed horizontally?
A.	hHOR=C \([\frac{K^3 p^2 g h_{fg}}{\mu L(T_{sat} – T_L)}]^{0.25}\)
B.	0.942
C.	0.725
D.	0.325
E.	0.027
Answer» C. 0.725

Discussion

2.	What is the value of the constant C when the condenser is placed vertically?
A.	hVER=C \([\frac{K^3 p^2 g h_{fg}}{\mu L(T_{sat} – T_L )}]^{0.25}\)
B.	0.0943
C.	0.943
D.	0.725
E.	0.633
Answer» C. 0.943

Discussion

3.	What is the term TL in the Nusselt theory of condensation equation for film thickness?
A.	\(\delta = [\frac{4K(T_{sat}-T_L)\mu x}{\rho gh_{fg}}]^{1/4}\)
B.	Liquid temperature
C.	Gas temperature
D.	Wall temperature
E.	Bulk temperature
Answer» B. Liquid temperature

Discussion

4.	What is the term delta in the expression for velocity of condensate flow?
A.	M°=\(\frac{\rho^2}{\mu}g(\frac{\delta^3}{3})\)
B.	Final stable film thickness
C.	Film thickness at y
D.	Average film thickness
E.	Film thickness at x
Answer» E. Film thickness at x

Discussion

5.	What is the term y in the expression for velocity of condensate flow?
A.	U=\(\frac{\rho}{\mu}g(\delta y-\frac{y^2}{2})\)
B.	Film thickness
C.	Film thickness at y
D.	Distance from the wall at x
E.	Film thickness at x
Answer» E. Film thickness at x

Discussion