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ECAT Pre Engineering Physics Ch 11 Test
Online MCQ`s Test For Chapter 11 "Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics Online Test"
Try The MCQ`s Test For Chapter 11 "Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics Online Test"
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Total Questions30
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Time Allowed30
Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics Online Test
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Question # 1
Tick the correct pair when M denotes the molecular mass and other symbols carry usual meanings:
Question # 2
Good absorbers of heat are
Question # 3
In the study of thermodynamics, which gas is considered as the working substance
Question # 4
Generally a temperature scale is established by using certain physical properties of a material which varies
Question # 5
First law of thermodynamics is consequence of conservation of
Question # 6
The highest efficiency of a heat engine whose low temperature is 17°C and the high temperature is 200°C is
Question # 7
On a cold morning a metal surface will fell colder to touch than a wooden surface, because
Question # 8
Since the absolute scale is independent of the property of the working substance, hence, can be applied at
Question # 9
The process which is carried out at constant temperature is known as
Question # 10
The heat required to raise the temperature of one mole of the substance through 1 K is called
Question # 11
In all natural processes where heat flows from one system to another, there is always a net
Question # 12
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
Question # 13
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 # 14
On the exaust stroke, the outlet values opens. The residual gases are expelled and piston moves
Question # 15
Real gases strictly obey gas law at:
Question # 16
In an adiabatic expansion, the temperature of the gas
Question # 17
On the compression stroke of the petrol engine, the inlet value is closed and the mixture is compressed
Question # 18
Which of the following is not an assumption of kinetic energy
Question # 19
A process which can be retraced in exactly reverse order, without producing any change in the surroundings is called
Question # 20
In which process the condition for the application of Boyle's law on the gas is fulfilled
Question # 21
Absolute zero is considered as that temperature at which:
Question # 22
Heat travels through vacuum by
Question # 23
Which of the following is a state variable
Question # 24
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
Question # 25
If an amount of heat enters the system it could
Question # 26
If R is gas constant for 1 gram mole, Cpand Cvare specific heat for a solid then
Question # 27
Hotness and coldness of an object is represented in terms:
Question # 28
Adiabatic change occurs when the gas
Question # 29
In the reverse process, the working substance passes through the same stages as in the direct process and
Question # 30
The length of a metallic rod is 5 meter at 100°C. The coefficient of cubical expansion of the metal will be
ECAT Pre Eng. Physics Ch 11 Test
Here you can prepare ECAT Pre Engineering Physics Ch 11 Heat & Thermodynamics Test. Click the button for 100% free full practice test.
