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	Specific heat at constant pressure is greater than the specific heat at constant volume because	A. Heat is used up to increase temperature at constant pressure B. Heat is used by gas for expansions purposes at constant pressure C. Heat is use dup to increase internal energy D. The above statement is invalid
2	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
3	The temperature of gas is produced by	A. At potential energy of its molecules B. The kinetic energy of its molecules C. The attractive force between its molecules D. The repulsive force between its molecules
4	Good absorbers of heat are	A. Poor emitters B. Non emitters C. Good emitters D. Highly polarized
5	The highest efficiency of a heat engine whose low temperature is 17°C and the high temperature is 200°C is	A. 70% B. 100% C. 35% D. 38%
6	At what temperature the adiabatic change is equivalent to the isothermal change?	A. Zero degree Celsius B. Zero Kelvin C. Critical temperature D. Above critical temperature
7	In case of an ideal gas, the P.E associated with its molecule is	A. maximum B. zero C. minimum D. not fixed
8	The state in which ice, water and vapour coexists in equilibrium is called	A. zero degree celsius B. zero degree fahrenheit C. absolute zero D. 373 K
9	According to kinetic theory of gases, molecules of a gas behave like	A. Inelastic spheres B. Perfectly elastic rigid sphere C. Perfectly elastic non-rigid spheres D. Inelastic non-rigid spheres
10	Which of the following is not thermo dynamical function?	A. Enthalpy B. Work done C. Gibb's energy D. Internal energy

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

When two objects are rubbed together, their internal energy

A process is a reversible process, if the entropy of the system

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

Carnot heat engine only used

The disorder in the system increases due to the

The example of reversible process is

Adiabatic change occurs when the gas

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

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

The earliest heat engine was

A reversible cycle is the one in which

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

Pressure may be define as _______ per second per unit area:

R.M.S velocity of a particle is V at pressure P. If pressure increases by two times, then R.M.S velocity becomes

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

A gas which strictly obeys the gas laws under all conditions of temperature and pressure is called:

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

If water in a closed bottle is taken up to the moon and opened, the water gets

Absolute temperature can be calculated by

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

A carnot cycle consists of

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

The curve representing an isothermal process is called

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

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

On the exaust stroke, the outlet values opens. The residual gases are expelled and piston moves

Generally a temperature scale is established by using certain physical properties of a material which varies

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

If denotes the total number of molecules in cubic vessel such that m is mass of each milecule and I is length of each side of vessel, then mN/I3gives the:

The efficiency of carnot engine cannot be 100% or one unless cold reservoir is at

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

If denotes the total number of molecules in cubic vessel such that m is mass of each milecule and I is length of each side of vessel, then mN/I³gives the: