ECAT Pre General Science Chapter 11 online mcq test with answers for Physics chapter 11 (Heart & Thermodynamics)

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

M

Malik Farhan 26 - Jan - 2019 08 Min 09 Sec 80/120
I

Israr Ahmed 09 - Mar - 2024 17 Min 46 Sec 60/120
W

Waleed Ahmed 24 - Feb - 2023 05 Min 43 Sec 50/120
M

Maliha afridi 25 - Oct - 2018 11 Min 47 Sec 50/120
G

Gimi tunio 30 - Jun - 2018 26 Min 00 Sec 45/120
M

Malik Farhan 23 - May - 2021 07 Min 14 Sec 35/120
F

Farhan Sial 30 - Aug - 2018 09 Min 36 Sec 30/120
A

Ahmed Ali Shah 07 - Nov - 2023 01 Min 01 Sec 25/120
K

kamal deep 17 - Jun - 2023 02 Min 55 Sec 20/120
H

hamza abid 27 - Jan - 2022 10 Min 50 Sec 20/120
M

Mohsin rajput Rajput 21 - Sep - 2025 06 Min 38 Sec 9/30
F

Frankie 09 - Sep - 2022 01 Min 29 Sec 0/120

ECAT Physics Chapter 11 Important MCQ's

Sr.#	Question	Answer
1	The product of the pressure and volume of an ideal gas is	A. A constant B. Approximately equal to the universal gas constant C. Directly proportional to its temperature D. Inversely proportional to its temperature
2	The volume of a gas will be double of what it is at 0°C (pressure remaining constant) at	A. 546 K B. 273 K C. 546°C D. 273°C
3	Pressure may be define as _______ per second per unit area:	A. Change in force B. Change in momentum C. Change in energy D. Work done
4	A process which can be retraced in exactly reverse order, without producing any change in the surroundings is called	A. reversible process B. irreversible process C. any one of them D. none of them
5	It is impossible to devise a processes which may convert heat, extracted from a single reservoir, entirely into work without leaving any change in the working system. This is the statement of	A. Clausius statement of second law B. Kelvin'sstatement of second law C. Clausius statement of first law D. Kelvin's statement of first law
6	A diatomic gas molecule has	A. translational energy B. rotaional energy C. vibrational energy D. all of them
7	The percentage of available heat energy converted into work by a diesel engine is roughly	A. 35 %` B. 40 % C. 35 - 40 % D. 25 %
8	The internal energy of a system does not depend upon the	A. initial state of the system B. final state of the system C. path D. none of them
9	For the working of a heat engine, there must be	A. a source of heat at high temperature B. a sink at low temperature C. both of them D. none of them
10	In the reverse process, the working substance passes through the same stages as in the direct process and	A. thermal effects at each stage are exactly reversed B. mechanical effects at each stage are exactly reversed C. thermal and mechanical effects at each stage remain the same D. thermal and mechanical effects at each stage are exactly reversed

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

ECAT Pre General Science Physics Chapter 11 MCQ Test With Answer

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

ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

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

The internal energy of a system does not depend upon the

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

The heat required to raise the temperature of one mole of the substance through 1 K is called

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

At constant temperature, if the density of the gas is increased, its pressure will:

The bicycle pump provides a good example of

Internal energy is the sum of all the forms of

For making cooking utensils, which of the following pairs of properties is most suited?

In an adiabatic process the work is done at the expense of the

Which of the following is not an assumption of kinetic energy

First law of thermodynamic is special case of

Truth of kinetic energy is confirmed by:

The temperature of gas is produced by

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

Efficiency of carnot engine is independent of the

Heat required to raise the temperature of one mole of a gas through 1 K at constant pressure is called

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

Melting point of ice

Absolute zero is considered as that temperature at which:

Maximum density of H2O is at the temperature

The pressure exerted by the gas is

Adiabatic change occurs when the gas

The nature of thermal radiation is similar to:

During the whole carnot cycle

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

Specific heat at constant pressure is greater than the specific heat at constant volume because

The behaviour of gases is well accounted by the kinetic theory based on

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

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

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

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Topic Test

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

ECAT Physics Chapter 11 Important MCQ's

Test Questions

Is this page helpful?

Share your comments & questions here

Maximum density of H₂O is at the temperature