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

Which of the following is not an assumption of kinetic energy

Question # 2

The work done by the system on its environment is considered as

Question # 3

An irreversible heat flow from a hot to cold substances of a system, causes the disorder to

Question # 4

In an ideal gas, the molecules have:

Question # 5

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

Question # 6

On colliding in a closed container, the gas molecules

Question # 7

We can express the work in term of

Question # 8

At O° K which of the following properties of a gas will be zero?

Question # 9

In the formula P = N0KT, N0denotes:

Question # 10

Gas constant per molecule is called:

Question # 11

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 # 12

The process which is carried out at constant temperature is known as

Question # 13

The volume of universal gas constant R is:

Question # 14

Which quantity is important in stating the entropy of the system

Question # 15

In an adiabatic expansion, the temperature of the gas

Question # 16

What temperature is the same on Celsius scale as well as on Fahrenheit scale?

Question # 17

While deriving equation of pressure by kinetic theory of gases, we take into account:

Question # 18

In the theory of dimensional analysis, heat may be properly represented by:

Question # 19

The motion of molecules in gases is:

Question # 20

Which of the following is not an example of adiabatic process

Question # 21

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

Question # 22

First law of thermodynamics tells us that heat energy can be converted into equivalent amount of work, but it is silent about

Question # 23

On a cold morning a metal surface will fell colder to touch than a wooden surface, because

Question # 24

The example of irreversible process is

Question # 25

At constant volume temperature is increased. Then

Question # 26

Hydrogen and helium of same volume V at same temperature T and same pressure P are mixed to have same volume V. The resulting pressure of the mixtures will be

Question # 27

Tick the correct pair when M denotes the molecular mass and other symbols carry usual meanings:

Question # 28

If N is the total number of molecules and V is the volume of the container, then the expression for the pressure of gas is

Question # 29

The Boltzman constant has the value

Question # 30

Absolute temperature can be calculated by

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 Which of the following is not thermo dynamical function?
A. Enthalpy
B. Work done
C. Gibb's energy
D. Internal energy
2 According to the second law, which is must to produce work
A. a source contains a large amount of heat energy
B. two sources at the same temperature
C. two sources at the different temperatures
D. a source contains a small amount of energy
3 In which process the condition for the application of Boyle's law on the gas is fulfilled
A. isochoric process
B. adiabatic process
C. isothermal process
D. none of them
4 When two objects are rubbed together, their internal energy
A. remains same
B. decreases
C. remains the same then decreases
D. increases
5 The ideal gas law is
A. P = nRT
B. V = nRT
C. PV =RT
D. PV =nRT
6 At constant volume temperature is increased. Then
A. Collision on walls will be less
B. Number of collisions per unit time will increase
C. Collision will be in straight lines
D. Collision will not change
7 The pressure exerted by the gas is
A. directly proportional to the P.E
B. inversely proportional to the P.E
C. inversely proportional to the K.E
D. directly proportional to the K.E
8 Rate of diffusion is
A. Faster in solids than in liquids and gases
B. Faster in liquids than in solids and gases
C. Equal to solids, liquids and gases
D. Faster in gases than in liquids and solids
9 A diatomic gas molecule has
A. translational energy
B. rotaional energy
C. vibrational energy
D. all of them
10 On colliding in a closed container, the gas molecules
A. Transfer momentum to the walls
B. Momentum becomes zero
C. Move in opposite directions
D. Perform Brownian motion

Test Questions

Is this page helpful?

Share your comments & questions here

Guest
  • Bilal A Munir

    Bilal A Munir

    20 Jun 2018

    Nice

    Like
    Reply
-->