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	Average KE of a gas molecule has:	A. Direct relation with absolute temperature and inverse relation with pressure B. Direction relation with both absolute temperature and pressure C. Inverse relation with both absolute temperature and pressure D. None of these
2	The example of irreversible process is	A. slowly liquification B. slowly evaporation C. an explosion D. all of them
3	We cannot utilize the heat contents of oceans and atmosphere because	A. there is no reservoir at the same temperature B. there is no reservoir at the temperature lower than any one of two C. there is no reservoir at the temperature higher than any one of two D. none of them
4	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
5	On a cold morning a metal surface will fell colder to touch than a wooden surface, because	A. Metal has high specific heat B. Metal has high thermal conductivity C. Metal has low specific heat D. Metal has low thermal conductivity
6	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
7	Pressure exerted by a gas is	A. Independent of density of the gas B. Inversely proportional to the density of the gas C. Directly proportional to the square of the density of the gas D. Directly proportional to the density of the gas
8	Efficiency of carnot engine is independent of the	A. temperature of sink B. temperature of source C. nature of the working substances D. none of them
9	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
10	On the exaust stroke, the outlet values opens. The residual gases are expelled and piston moves	A. outwards B. inwards C. in either way D. none of these

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

The only significant motion possessed by the mono-atomic gas represented is:

The second law of thermodynamics is concerned with the circumstances in which

In thermodynamics, internal energy is the function of

The percentage of available heat energy converted into work by a petrol engine is roughly

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

If a process cannot be retraced in the backward direction by reversing the controlling factors, it is

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

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

Efficiency of carnot engine is independent of the

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

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

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

If an amount of heat enters the system it could

Which of the following is not an assumption of kinetic energy

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

If 42 J heat is transferred to the system and the work done by the system is 32 J then what will be the change in internal energy

In which process the condition for the application of Boyle's law on the gas is fulfilled

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

Average KE of a gas molecule has:

During the whole carnot cycle

One mole of any substance contain

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

The heat required to raise the temperature of one mole of the gas through 1 K at constant volume is called

The example of irreversible process is

In case of an ideal gas, the P.E associated with its molecule is

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

Adiabatic change occurs when the gas

Absolute temperature can be calculated by

When heat is removed from the system

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:

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: