ECAT Pre Engineering Physics Chapter 11 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

00:00
Question # 1

If a system undergoes a natural process it will go in the direction that causes the entropy of the system plus the environment to increase, this is another statement of

Question # 2

According to the second law, which is must to produce work

Question # 3

The curve representing an adiabatic process is called

Question # 4

Which quantity is important in stating the entropy of the system

Question # 5

A heat engine is that which converts

Question # 6

The nature of thermal radiation is similar to:

Question # 7

A succession of events which bring the system back to its initial condition is called

Question # 8

When the temperature of source and sink of a heat engine become equal entropy change will be

Question # 9

Absolute temperature can be calculated by

Question # 10

A gas is compressed adiabatically till its temperature is double. The ratio of its final volume to initial volume will be

Question # 11

Melting point of ice

Question # 12

Efficiency of carnot engine is independent of the

Question # 13

At constant volume temperature is increased. Then

Question # 14

Which of the following does not have the same units:

Question # 15

Amount of heat required to raise the temperature of a body through 1 K is called its

Question # 16

The disorder in the system increases due to the

Question # 17

We cannot utilize the heat contents of oceans and atmosphere because

Question # 18

In the study of thermodynamics, which gas is considered as the working substance

Question # 19

The volume of a gas will be double of what it is at 0°C (pressure remaining constant) at

Question # 20

Two metal rods A and B have their initial lengths in the ratio 2 : 3 and coefficients of linear expansion in the ratio 4 : 3. When they are heated through same temperature difference the ratio of their linear expansion is

Question # 21

The absolute temperature for an ideal gas is

Question # 22

No spark plug is needed in

Question # 23

The internal energy of a system does not depend upon the

Question # 24

An amount of water of mass 20 g at 0°C is mixed with 40 g of water at 10°C. Final temperature of mixture is

Question # 25

If R is gas constant for 1 gram mole, Cpand Cvare specific heat for a solid then

Question # 26

A carnot cycle consists of

Question # 27

Generally a temperature scale is established by

Question # 28

The concept of entropy was introduced into the study of thermodynamics in

Question # 29

A real gas can be approximated to an ideal gas at

Question # 30

If the distance between two charges is doubled, the force between them will become:

Submit

Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics MCQ`s Test

  • D
    Deuspeu 25 - Sep - 2024 02 Min 03 Sec 115/120
  • M
    M Umer Arain 19 - Nov - 2024 00 Min 11 Sec 105/120
  • D
    Dr Shahida 01 - Nov - 2024 11 Min 12 Sec 100/120
  • N
    Nitalaya Hassan 24 - Dec - 2024 04 Min 02 Sec 95/120
  • G
    Ghulam Murtaza 12 - Sep - 2024 20 Min 35 Sec 95/120
  • A
    Akshey Lohana 27 - Aug - 2024 14 Min 26 Sec 90/120
  • U
    Umair Rajput 09 - Sep - 2024 15 Min 22 Sec 85/120
  • I
    It's me Sm 26 - Aug - 2024 04 Min 12 Sec 80/120
  • S
    Sania Ahmed 16 - Dec - 2024 04 Min 58 Sec 75/120
  • K
    Kalsoom Memon 20 - Sep - 2024 06 Min 11 Sec 75/120
  • S
    Sanjna Uttwani 21 - Sep - 2024 05 Min 22 Sec 70/120
  • S
    Sudais Khan 12 - Jul - 2024 07 Min 45 Sec 70/120
  • A
    Aakash Rind 07 - Dec - 2024 06 Min 58 Sec 65/120
  • A
    Ali imtiaz 01 - Oct - 2024 07 Min 18 Sec 65/120
  • R
    Rashida Latif 13 - Jan - 2025 07 Min 37 Sec 65/120

ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 The absolute temperature of the tripple point of water is
A. 100°C
B. 4°C
C. 373 K
D. 273.16 K
2 The number of translation degress of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
3 An isochoric process is one which take place at
A. Constant internal energy
B. Constant entropy
C. Constant volume
D. Constant pressure
4 Amount of heat required to raise the temperature of a body through 1 K is called its
A. Specific heat
B. Water equivalent
C. Thermal capacity
D. Entropy
5 Triple point of water is
A. 273.16°F
B. 372.16K
C. 273.16°F
D. 273.16
6 If an amount of heat enters the system it could
A. decrease the internal energy
B. not change the internal energy
C. increase the internal energy
D. none of them
7 Absolute zero is considered as that temperature at which:
A. All liquid become gases
B. All gases become liquid
C. Water freezes
D. None of these
8 The disorder in the system increases due to the
A. removal of heat
B. addition of heat
C. removal or addition of heat
D. none of them
9 Two samples A and B of a gas initially of the same temperature and pressure are compressed from a volume V to a volume V/2 such that A is compressed isothermally and B adiabatically. The final pressure
A. A greater than than of B
B. A is equal to that of B
C. A is less than that of B
D. A is twice the pressure of B
10 The motion of molecules in gases is:
A. Orderly
B. Random
C. Circular
D. All of these

Test Questions

Is this page helpful?

Share your comments & questions here

Guest
  • Bilal A Munir

    Bilal A Munir

    20 Jun 2018

    Nice

    Like
    Reply