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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suzi 09 - Feb - 2026 02 Min 10 Sec 48/60
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Atif Murad 11 - Mar - 2024 01 Min 46 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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Night Rrrider 30 - Jan - 2026 02 Min 14 Sec 36/60
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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	Gas constant per molecule is called:	A. Universal gas constant B. Stefen's constant C. Boltzmann constant D. Gravitation constant
2	Brownian motion increases due to	A. Increase in size of Brownian particle B. Increase in temperature of medium C. Increase in density of medium D. Increase in viscosity of medium
3	At constant volume temperature is increased. Then	A. Collision on walls will be less B. Number of collisions per unit time will increase C. Collision will be in straight lines D. Collision will not change
4	The ideal gas law is	A. P = nRT B. V = nRT C. PV =RT D. PV =nRT
5	If R is gas constant for 1 gram mole, C_pand C_vare specific heat for a solid then	A. C_p- C_v= R B. C_p- C_{v < R} C. C_p- C_{v = 0} D. C_p- C_{v > R}
6	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	A. 0°C B. 10°C C. 17°C D. 20°C
7	Good absorbers of heat are	A. Poor emitters B. Non emitters C. Good emitters D. Highly polarized
8	Sadi carnot described an ideal heat engine in	A. 1820 B. 1840 C. 1860 D. 1880
9	In the theory of dimensional analysis, heat may be properly represented by:	A. ML²T^-2 B. MT^-2 C. ML^-1T^-1 D. None of these
10	Heat travels through vacuum by	A. Conduction B. Convection C. Radiation D. Both A and B

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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

The efficiency of diesel engine is

Which of the following is not an example of adiabatic process

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

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

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

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

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

While deriving the equation for pressure of a gas we consider the

In thermodynamics, internal energy is the function of

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

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

First law of thermodynamics tells us that heat energy can be converted into equivalent amount of work, but it is silent about

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 motion of molecules in gases is:

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

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

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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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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: