Explore topic-wise MCQs in Heat Transfer.

This section includes 29 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.

How many fundamental quantities are there?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
Discussion
2.

How many Joule are there in 1 k cal?

A. 3186
B. 4186
C. 5186
D. 6186
Answer» C. 5186
Discussion
3.

How many Newton’s are there in one kg?

A. 9.507
B. 9.607
C. 9.707
D. 9.807
Answer» E.
Discussion
4.

The pressure in kg/cm2 can be converted to N/m2 by multiplying it with a factor

A. 9.807 * 10 2
B. 9.807 * 10 3
C. 9.807 * 10 4
D. 9.807 * 10 5
Answer» D. 9.807 * 10 5
Discussion
5.

The convective film coefficient in k cal/m2 hr degree can be converted to J/m2 s degree by multiplying it with a factor

A. 1.1627
B. 1.1527
C. 1.1427
D. 1.1327
Answer» B. 1.1527
Discussion
6.

Bernoulli’s equation for fluid flow along a stream line is given as

A. p/w + V 2/2 g + y = 2
B. p/w + V/2 g + y = constant
C. p/w + V 2/2 g + y = 1
D. p/w + V 2/2 g + y = constant
Answer» E.
Discussion
7.

The principle of dimensional homogeneity serves the following useful concepts(i) It helps to check whether an equation of any physical phenomenon is dimensionally homogenous or not(ii) It helps to determine the dimensions of a physical quantity(iii) It helps to convert the units from one system to anotherIdentify the correct statements

A. i and ii
B. ii and iii
C. i, ii and iii
D. ii only
Answer» D. ii only
Discussion
8.

How can we write energy using the MLT system?

A. [M][L]2[T]2
B. [M]0[L]2[T]-1
C. [M][L]-3[T]0
D. [M][L][T]3
Answer» B. [M]0[L]2[T]-1
Discussion
9.

How can we write specific mass using the MLT system?

A. [M][L][T]-2
B. [M]0[L]2[T]-1
C. [M][L]-3[T]0
D. [M][L][T]3
Answer» D. [M][L][T]3
Discussion
10.

How can we write kinematic viscosity using the MLT system?

A. [M][L][T]-2
B. [M]0[L]2[T]-1
C. [M][L]-1[T]-1
D. [M][L][T]3
Answer» C. [M][L]-1[T]-1
Discussion
11.

Which among the following is not a fundamental dimension?

A. [L]
B. [M]
C. [T]
D. [kg]
Answer» E.
Discussion
12.

HOW_MANY_FUNDAMENTAL_QUANTITIES_ARE_THERE??$

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
Discussion
13.

HOW_CAN_WE_WRITE_SPECIFIC_MASS_USING_THE_MLT_SYSTEM??$

A. [M][L][T]<sup>-2</sup>
B. [M]<sup>0</sup>[L]<sup>2</sup>[T]<sup>-1</sup>
C. [M][L]<sup>-3</sup>[T]<sup>0</sup>
D. [M][L][T]<sup>3</sup>
Answer» D. [M][L][T]<sup>3</sup>
Discussion
14.

HOW_MANY_JOULE_ARE_THERE_IN_1_K_CAL??$

A. 3186
B. 4186
C. 5186
D. 6186
Answer» C. 5186
Discussion
15.

How_can_we_write_energy_using_the_MLT_system?$

A. [M][L]<sup>2</sup>[T]<sup>2</sup>
B. [M]<sup>0</sup>[L]<sup>2</sup>[T]<sup>-1</sup>
C. [M][L]<sup>-3</sup>[T]<sup>0</sup>
D. [M][L][T]<sup>3</sup>
Answer» B. [M]<sup>0</sup>[L]<sup>2</sup>[T]<sup>-1</sup>
Discussion
16.

How can we write specific weight using the FLT system?

A. [F]
B. [F][T]
C. [F][L][T]
D. [L]
Answer» B. [F][T]
Discussion
17.

How many Newton’s are there in one kg?#

A. 9.507
B. 9.607
C. 9.707
D. 9.807
Answer» E.
Discussion
18.

How can we write momentum using the MLT system?

A. [M][L][T]<sup>-2</sup>
B. [M]<sup>0</sup>[L]<sup>2</sup>[T]<sup>-1</sup>
C. [M][L][T]<sup>-1</sup>
D. [M][L][T]<sup>3</sup>
Answer» D. [M][L][T]<sup>3</sup>
Discussion
19.

The pressure in kg/cm2 can be converted to N/m2 by multiplying it with a factor

A. 9.807 * 10 <sup>2</sup>
B. 9.807 * 10 <sup>3</sup>
C. 9.807 * 10 <sup>4</sup>
D. 9.807 * 10 <sup>5</sup>
Answer» D. 9.807 * 10 <sup>5</sup>
Discussion
20.

The convective film coefficient in k cal/m2 hr degree can be converted to J/m2 s degree by multiplying it with a factor

A. 1.1627
B. 1.1527
C. 1.1427
D. 1.1327
Answer» B. 1.1527
Discussion
21.

How can we write dynamic viscosity using the MLT system?

A. [M][L][T]<sup>-2</sup>
B. [M][L]<sup>2</sup>[T]<sup>3</sup>
C. [M][L]<sup>-1</sup>[T]<sup>-1</sup>
D. [M][L][T]<sup>3</sup>
Answer» D. [M][L][T]<sup>3</sup>
Discussion
22.

Bernoulli’s equation for fluid flow along a stream line is given as$

A. p/w + V <sup>2</sup>/2 g + y = 2
B. p/w + V/2 g + y = constant
C. p/w + V <sup>2</sup>/2 g + y = 1
D. p/w + V <sup>2</sup>/2 g + y = constant
Answer» E.
Discussion
23.

How can we write power using the MLT system?

A. [M][L][T]<sup>-2</sup>
B. [M][L]<sup>2</sup>[T]<sup>3</sup>
C. [M][L][T]
D. [M][L][T]<sup>3</sup>
Answer» C. [M][L][T]
Discussion
24.

The equation of friction loss in a pipe of length l and diameter d through which fluid flows with velocity v is

A. h <sub>i </sub>= 4 f V <sup>2</sup>/d g
B. h <sub>i </sub>= 4 f V <sup>2</sup>/d 2 g
C. h <sub>i </sub>= 4 f V <sup>2</sup>/d 2 g
D. h <sub>i </sub>= 4 f V <sup>2</sup>/2 g
Answer» C. h <sub>i </sub>= 4 f V <sup>2</sup>/d 2 g
Discussion
25.

Force can be written as______

A. [M][L][T]<sup>-2</sup>
B. [M][L][T]<sup>2</sup>
C. [M][L][T]
D. [M][L][T]<sup>3</sup>
Answer» B. [M][L][T]<sup>2</sup>
Discussion
26.

The principle of dimensional homogeneity serves the following useful concepts

A. It helps to check whether an equation of any physical phenomenon is dimensionally homogenous or not
B. It helps to determine the dimensions of a physical quantity
C. It helps to convert the units from one system to another
Answer» D.
Discussion
27.

The fundamental dimensional quantities are related by________

A. Avagadaro’s law
B. Newton’s second law
C. Newtons first law
D. Newton’s third law
Answer» C. Newtons first law
Discussion
28.

What is the time period of oscillation of a simple pendulum of length L and mass m?

A. 2 π (L/g) <sup>3/2</sup>
B. 2 π (L/g)
C. 2 π (L/g) <sup>2</sup>
D. 2 π (L/g) <sup>1/2 </sup>
Answer» E.
Discussion
29.

How is dimensional homogeneity related with fundamental units of measurements?

A. Independent
B. Dependent
C. Dependent but can vary
D. Twice
Answer» B. Dependent
Discussion