ECAT Pre Computer Science Chapter 11 MCQ Test With Answer

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

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

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

ECAT Physics Chapter 11 Heat & Thermodynamics

00:00
Question # 1

Pressure applied at any point of gas at rest is transmitted equally to all parts of the gas. This is the statement of:

Question # 2

A process which can be retraced in exactly reverse order, without producing any change in the surroundings is called

Question # 3

The product of the pressure and volume of an ideal gas is

Question # 4

In the reverse process, the working substance passes through the same stages as in the direct process and

Question # 5

At constant volume temperature is increased. Then

Question # 6

The coefficient of linear expansion of iron is 0.000011 per°K. An iron rod is 10 metre long at 27°C. The length of the rod will be decreased by 1.1 mm when the temperature of the rod changes to

Question # 7

Absolute zero is considered as that temperature at which:

Question # 8

10 c.c. each of oxygen and hydrogen are kept in separate flasks. Then which of the following relations is correct?

Question # 9

Hotness and coldness of an object is represented in terms:

Question # 10

The state in which ice, water and vapour coexists in equilibrium is called

Question # 11

The temperature of gas is produced by

Question # 12

The Boltzman constant has the value

Question # 13

Real gases strictly obey gas law at:

Question # 14

The example of irreversible process is

Question # 15

The volume of given mass of a gas will be doubled at atmosphere pressure if the temperature of the gas is changed from 150°C to

Submit

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


Topic Test

00:00
Submit

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

  • A
    Abdullah Baloch 28 - Jul - 2024 06 Min 01 Sec 60/60
  • V
    Vertex Gaming 16 - Jul - 2024 01 Min 06 Sec 55/60
  • A
    Ali Kumail 29 - May - 2024 01 Min 41 Sec 55/60
  • M
    Muhammad Abdur.Rahman Khan 28 - Aug - 2024 02 Min 51 Sec 55/60
  • M
    Mian House 31 - May - 2024 06 Min 26 Sec 55/60
  • M
    Muhammad Hashim 02 - Jun - 2024 02 Min 29 Sec 50/60
  • M
    Mian amar Mustafa 09 - Feb - 2024 03 Min 05 Sec 50/60
  • A
    Atif Murad 11 - Mar - 2024 01 Min 46 Sec 45/60
  • A
    Ahmad Arshad 10 - Jan - 2024 03 Min 11 Sec 45/60
  • U
    umme roman khan 14 - Jan - 2024 03 Min 41 Sec 45/60
  • H
    HUSSAIN Mudasser 24 - Jun - 2024 02 Min 24 Sec 40/60
  • A
    Ayan Shuaib 30 - Jan - 2024 03 Min 08 Sec 40/60
  • A
    Astha 01 - Feb - 2024 06 Min 49 Sec 40/60
  • U
    urooj urooj 17 - Jul - 2024 02 Min 12 Sec 35/60
  • K
    Kashif Siddiqui 14 - Sep - 2024 03 Min 17 Sec 35/60

ECAT Class Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 In the study of thermodynamics, which gas is considered as the working substance
A. real gas
B. ideal gas
C. any gas may be ideal or real
D. none of them
2 Real gases strictly obey gas law at:
A. High pressure and low temperatures
B. Low pressures and high temperatures
C. High pressures and high temperatures
D. None of these
3 First law of thermodynamics tells us that heat energy can be converted into equivalent amount of work, but it is silent about
A. how heat is absorbed
B. how heat extracted
C. how this conversion takes place
D. none of them
4 The example of reversible process is
A. an explosion
B. changes occur suddenly
C. slow compression of a gas
D. all of them
5 An irreversible heat flow from a hot to cold substances of a system, causes the disorder to
A. decrease
B. remains the same
C. increase
D. any one of them
6 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
A. P=P/V<1/2mv2>
B. P=2N/V<1/2mv2>
C. P=2/3N/V<1/2mv2>
D. P=2/3N/V<mv2>
7 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
8 If the formula PV = nRT, n denotes:
A. Number of molecules per unit volume
B. Number of moles
C. Number of molecules
D. None of these
9 The work done by the system on its environment is considered as
A. positive
B. negative
C. zero
D. any one of them
10 No spark plug is needed in
A. petrol engine
B. diesel engine
C. both of them
D. none of them

Test Questions

Is this page helpful?