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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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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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	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}
2	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
3	The number of translation degress of freedom for a diatomic gas is	A. 2 B. 3 C. 5 D. 6
4	The volume of universal gas constant R is:	A. 8.314 J/K mole K B. 8314 J/K mole K C. 8.314 J/mole K D. None of these
5	The curve representing an adiabatic process is called	A. isotherm B. adiabat C. adiable D. none of them
6	The efficiency of diesel engine is	A. 25% B. 25 - 30% C. 35% D. 35 - 40%
7	Since the absolute scale is independent of the property of the working substance, hence, can be applied at	A. very high temperature B. very low temperature C. any one of them D. none of them
8	Two samples A and B of a gas initially of the same temperature and pressure are compressed from a volume V to a volume V/2 such that A is compressed isothermally and B adiabatically. The final pressure	A. A greater than than of B B. A is equal to that of B C. A is less than that of B D. A is twice the pressure of B
9	When the temperature of source and sink of a heat engine become equal entropy change will be	A. Zero B. Max C. Min D. -ve
10	Rate of diffusion is	A. Faster in solids than in liquids and gases B. Faster in liquids than in solids and gases C. Equal to solids, liquids and gases D. Faster in gases than in liquids and solids

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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

Which of the following does not have the same units:

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

If the volume of the gas is to be increased by 4 times, then

The behaviour of gases is well accounted by the kinetic theory based on

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

Gas constant per molecule is called:

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 all natural processes where heat flows from one system to another, there is always a net

The Boltzman constant has the value

At what temperature the adiabatic change is equivalent to the isothermal change?

Adiabatic change occurs when the gas

The heat required to raise the temperature of one mole of the substance through 1 K is called

In a heat engine, heat is supplied by the

Hotness and coldness of an object is represented in terms:

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

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

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Set 12

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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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