ECAT Pre Computer Science Chapter 11 MCQ Test With Answer

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

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

ECAT Physics Chapter 11 Important MCQ's

Sr.#	Question	Answer
1	10 c.c. each of oxygen and hydrogen are kept in separate flasks. Then which of the following relations is correct?	A. Each have same number of molecules B. Don't have same number of molecules C. Can't be predicted D. None
2	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
3	The curve representing an adiabatic process is called	A. isotherm B. adiabat C. adiable D. none of them
4	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	A. R/2 B. P C. 2P D. Depending on the relative mass of the gases
5	Carnot heat engine only used	A. isothermal processes B. adiabatic processes C. both of them D. none of them
6	What temperature is the same on Celsius scale as well as on Fahrenheit scale?	A. 32°C B. -32°C C. -40°C D. -212°C
7	According to the second law, which is must to produce work	A. a source contains a large amount of heat energy B. two sources at the same temperature C. two sources at the different temperatures D. a source contains a small amount of energy
8	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
9	A real gas can be approximated to an ideal gas at	A. Low density B. High pressure C. High density D. Low temperature
10	If a process cannot be retraced in the backward direction by reversing the controlling factors, it is	A. a reversible process B. an irreversible process C. any one of them D. both of them

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ECAT Pre Computer Science Chapter 11 MCQ Test With Answer

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

ECAT Physics Chapter 11 Heat & Thermodynamics

If a liquid is heated in weightlessness, the heat is transmitted through

Good absorbers of heat are

The internal energy of a system does not depend upon the

The volume of a gas will be double of what it is at 0°C (pressure remaining constant) at

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

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

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

Pressure of a gas at constant volume is proportion to

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

At the constant temperature, if the value of a given mass of a gas is double, then the density of gas becomes:

The relationship between Boltzmann constant k with R and NAis given as:

The highest efficiency of a heat engine whose low temperature is 17°C and the high temperature is 200°C is

In an ideal gas, the molecules have:

If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:

The number of translation degress of freedom for a diatomic gas is

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

ECAT Physics Chapter 11 Important MCQ's

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Arsal

The relationship between Boltzmann constant k with R and N_Ais given as: