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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
Carnot heat engine only used
Question # 2
Absolute zero is considered as that temperature at which:
Question # 3
Pressure applied at any point of gas at rest is transmitted equally to all parts of the gas. This is the statement of:
Question # 4
An irreversible heat flow from a hot to cold substances of a system, causes the disorder to
Question # 5
At O° K which of the following properties of a gas will be zero?
Question # 6
A process which can be retraced in exactly reverse order, without producing any change in the surroundings is called
Question # 7
On the compression stroke of the petrol engine, the inlet value is closed and the mixture is compressed
Question # 8
The efficiency of carnot engine cannot be 100% or one unless cold reservoir is at
Question # 9
The relationship between Boltzmann constant k with R and NAis given as:
Question # 10
A gas is compressed adiabatically till its temperature is double. The ratio of its final volume to initial volume will be
Question # 11
The kinetic energy of one molecule of a gas at normal temperature and pressure will be (k = 8.31 J/mole K) :
The kinetic energy of one molecule of a gas at normal temperature and pressure will be (k = 8.31 J/mole K) :
Question # 12
Rate of diffusion is
Question # 13
When the temperature of source and sink of a heat engine become equal entropy change will be
Question # 14
The volume of a gas will be double of what it is at 0°C (pressure remaining constant) at
Question # 15
The behaviour of gases is well accounted by the kinetic theory based on
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