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MCQ's Test For ECAT Physics Chapter 11 Heat & Thermodynamics
Try The MCQ's Test For ECAT Physics Chapter 11 Heat & Thermodynamics
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 11 Heat & Thermodynamics
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Question # 1
The pressure of gas everywhere inside the vessel will be the same provided the gas is of
Question # 2
The second law of thermodynamics is concerned with the circumstances in which
Question # 3
In the study of thermodynamics, which gas is considered as the working substance
Question # 4
A carnot cycle consists of
Question # 5
At constant volume temperature is increased. Then
Question # 6
The ideal gas law is
Question # 7
If a system undergoes a natural process it will go in the direction that causes the entropy of the system plus the environment to increase, this is another statement of
Question # 8
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
Question # 9
Melting point of ice
Question # 10
The work done by the system on its environment is considered as
Question # 11
Electromagnetic waves emitted by hot bodies are called:
Question # 12
For the working of a heat engine, there must be
Question # 13
In a heat engine, heat is supplied by the
Question # 14
The value of E0in coulomb's law is:
Question # 15
The efficiency of diesel engine is
Prepare Complete Set Wise ECAT Physics Chapter 11 Heat & Thermodynamics MCQs Online With Answers
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Set 1
15 Questions
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Set 2
15 Questions
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Set 3
15 Questions
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Set 4
15 Questions
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Set 5
15 Questions
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Set 6
15 Questions
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Set 7
15 Questions
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Set 8
15 Questions
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Set 9
15 Questions
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Set 10
15 Questions
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Set 11
15 Questions
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Set 12
3 Questions
Start
Top Scorers Of ECAT Physics Chapter 11 Heat & Thermodynamics MCQ`s Test
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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 Physics Chapter 11 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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%
|
| 2 | The curve representing an adiabatic process is called |
A. isotherm
B. adiabat
C. adiable
D. none of them
|
| 3 | Pressure of a gas at constant volume is proportion to |
A. Total energy of gas
B. Average P.E to molecules
C. Average K.E of molecules
D. Total internal energy of gas
|
| 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 | 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
|
| 6 | The example of irreversible process is |
A. slowly liquification
B. slowly evaporation
C. an explosion
D. all of them
|
| 7 | The second law of thermodynamics is concerned with the circumstances in which |
A. heat can be converted into work
B. direction of flow of heat
C. none of them
D. both of them
|
| 8 | In an adiabatic process the work is done at the expense of the |
A. energy supplied to the system
B. energy gained from the surroundings
C. internal energy
D. none of them
|
| 9 | The heat required to raise the temperature of one mole of the gas through 1 K at constant volume is called |
A. heat capacity
B. specific heat capacity
C. molar specific heat
D. molar specific heat at constant volume
|
| 10 | Which of the following is not an example of adiabatic process |
A. the rapid escape of air from a burst type
B. the rapid expansion and compression of air through which a sound wave is passing
C. cloud formation in the atmosphere
D. none of them
|
Test Questions
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31 Jan 2018Entry test is a good thing