Explore topic-wise MCQs in Heat Transfer.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer knowledge and support exam preparation. Choose a topic below to get started.

1.

Which number establishes the relation between convective film coefficient, thermal conductivity of the fluid and a significant length parameter?

A. Nusselt number
B. Stanton number
C. Peclet number
D. Fourier number
Answer» B. Stanton number
2.

Which number indicates the relative ability of the fluid to diffuse momentum and internal energy by molecular mechanisms?

A. Nusselt number
B. Prandtl number
C. Peclet number
D. Stanton number
Answer» C. Peclet number
3.

The ratio of heat transfer coefficient to the flow of heat per unit temperature rise due to the velocity of the fluid is known as

A. Fourier number
B. Grashof number
C. Peclet number
D. Stanton number
Answer» E.
4.

WHICH_NUMBER_INDICATES_THE_RELATIVE_ABILITY_OF_THE_FLUID_TO_DIFFUSE_MOMENTUM_AND_INTERNAL_ENERGY_BY_MOLECULAR_MECHANISMS??$

A. Nusselt number
B. Prandtl number
C. Peclet number
D. Stanton number
Answer» C. Peclet number
5.

Which_number_establishes_the_relation_between_convective_film_coefficient,_thermal_conductivity_of_the_fluid_and_a_significant_length_parameter?$

A. Nusselt number
B. Stanton number
C. Peclet number
D. Fourier number
Answer» B. Stanton number
6.

The ratio of heat transfer coefficient to the flow of heat per unit temperature rise due to the velocity of the fluid is known a?

A. Fourier number
B. Grashof number
C. Peclet number
D. Stanton number
Answer» E.
7.

The product of buoyant force and inertia force to the square of the viscous force is known as

A. Stanton number
B. Grashof number
C. Fourier number
D. Peclet number
Answer» C. Fourier number
8.

What is the value of Prandtl number for liquid metals?

A. 0.003-0.01
B. 0.01-0.1
C. 0.1-0.5
D. 0.5-0.95
Answer» B. 0.01-0.1
9.

What is the value of Prandtl number for highly viscous oils?

A. 100-1000
B. 0-100
C. 10-100
D. 100-10000
Answer» E.
10.

Identify the correct statement

A. Peclet number = (Graetz number) (Fourier number)
B. Peclet number = (Stanton number) (Fourier number)
C. Peclet number = (Reynolds number) (Prandtl number)
D. Peclet number = (Graetz number) (Reynolds number)
Answer» D. Peclet number = (Graetz number) (Reynolds number)
11.

The ratio of heat capacity of fluid flowing through the pipe per unit of length to the conductivity of pipe material is known as

A. Graetz number
B. Reynolds number
C. Peclet number
D. Fourier number
Answer» B. Reynolds number
12.

The ratio of heat flow rate by convection to flow rate by conduction is known as

A. Stanton number
B. Graetz number
C. Fourier number
D. Peclet number
Answer» E.
13.

Ratio of inertia force to viscous force is known as

A. Grashof number
B. Reynolds number
C. Peclet number
D. Stanton number
Answer» C. Peclet number