ECAT Pre Computer Science Chapter 11 MCQ Test With Answer

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

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

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ECAT Physics Chapter 11 Heat & Thermodynamics

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Question # 1

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

Question # 2

The heat required to raise the temperature of one mole of the gas through 1 K at constant volume is called

Question # 3

An isochoric process is one which take place at

Question # 4

At constant temperature, on increasing the pressure of a gas by 5%, its volume. The final temperature of the gas will be

Question # 5

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

Question # 6

The process which is carried out at constant temperature is known as

Question # 7

The internal energy of an ideal gas system is generally the

Question # 8

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

Question # 9

We cannot utilize the heat contents of oceans and atmosphere because

Question # 10

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

Question # 11

First law of thermodynamic is special case of

Question # 12

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

Question # 13

An irreversible heat flow from a hot to cold substances of a system, causes the disorder to

Question # 14

The basis to define a temperature scale that is independent of material properties is provided by

Question # 15

Which of the following is not thermo dynamical function?

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ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 In an ideal gas, the molecules have:
A. Kinetic energy only
B. Potential energy only
C. Both KE and PE
D. None of these
2 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
3 The behaviour of gases is well accounted by the kinetic theory based on
A. microscopic approach
B. macroscopic approach
C. both of them
D. none of them
4 In a heat engine, heat is supplied by the
A. cold reservoir
B. sink
C. hot reservoir
D. none of them
5 The ideal gas law is
A. P = nRT
B. V = nRT
C. PV =RT
D. PV =nRT
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 A process which can be retraced in exactly reverse order, without producing any change in the surroundings is called
A. reversible process
B. irreversible process
C. any one of them
D. none of them
8 The disorder in the system increases due to the
A. removal of heat
B. addition of heat
C. removal or addition of heat
D. none of them
9 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
10 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

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  • Arsal

    Arsal

    31 Jan 2018

    Entry test is a good thing

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