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

A heat engine is that which converts

Question # 2

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

Question # 3

The bicycle pump provides a good example of

Question # 4

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 # 5

A succession of events which bring the system back to its initial condition is called

Question # 6

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

Question # 7

If a liquid is heated in weightlessness, the heat is transmitted through

Question # 8

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 # 9

The temperature scale approved in SI units is:

Question # 10

The example of reversible process is

Question # 11

In an ideal gas, the molecules have:

Question # 12

Pressure applied at any point of gas at rest is transmitted equally to all parts of the gas. This is the statement of:

Question # 13

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

Question # 14

The pressure of gas everywhere inside the vessel will be the same provided the gas is of

Question # 15

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

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ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 Which of the following is a state variable
A. entropy
B. pressure
C. volume
D. all of them
2 If a liquid is heated in weightlessness, the heat is transmitted through
A. Conduction
B. Convection
C. Radiation
D. Neither, because the liquid cannot be heated in weightlessness
3 A real gas can be approximated to an ideal gas at
A. Low density
B. High pressure
C. High density
D. Low temperature
4 Heat required to raise the temperature of one mole of a gas through 1 K at constant pressure is called
A. heat capacity
B. specific heat capacity
C. specific heat at constant volume
D. specific heat at constant pressure
5 If a process cannot be retraced in the backward direction by reversing the controlling factors, it is
A. a reversible process
B. an irreversible process
C. any one of them
D. both of them
6 A carnot cycle consists of
A. One step
B. two step
C. three steps
D. four steps
7 Generally a temperature scale is established by
A. one fixed point
B. two fixed point
C. three fixed point
D. four fixed point
8 Energy gas behaves like an ideal gast at
A. High temperature and low pressure
B. Low temperature and high pressure
C. Both A and B
D. None
9 The work done by the system on its environment is considered as
A. positive
B. negative
C. zero
D. any one of them
10 Carnot heat engine only used
A. isothermal processes
B. adiabatic processes
C. both of them
D. none of them

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  • Arsal

    Arsal

    31 Jan 2018

    Entry test is a good thing

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