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

The pressure exerted by the gas is

Question # 2

In an ideal gas, the molecules have:

Question # 3

Since the absolute scale is independent of the property of the working substance, hence, can be applied at

Question # 4

Carnot heat engine only used

Question # 5

Which of the following is not an assumption of kinetic energy

Question # 6

Which of the following is not thermo dynamical function?

Question # 7

In an adiabatic expansion, the temperature of the gas

Question # 8

The volume of given mass of a gas will be doubled at atmosphere pressure if the temperature of the gas is changed from 150°C to

Question # 9

Tick the correct pair when M denotes the molecular mass and other symbols carry usual meanings:

Question # 10

When heat is removed from the system

Question # 11

A diatomic gas molecule has

Question # 12

When two objects come to common temperature, the body is said to be in:

Question # 13

The absolute temperature of the tripple point of water is

Question # 14

On the exaust stroke, the outlet values opens. The residual gases are expelled and piston moves

Question # 15

On the power stroke, a spark fires the mixtures causing a rapid increase in pressure and temperature and the burning mixture expands

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ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 On colliding in a closed container, the gas molecules
A. Transfer momentum to the walls
B. Momentum becomes zero
C. Move in opposite directions
D. Perform Brownian motion
2 The volume of given mass of a gas will be doubled at atmosphere pressure if the temperature of the gas is changed from 150°C to
A. 300°C
B. 573°C
C. 600°C
D. 743°C
3 The temperature scale approved in SI units is:
A. Celsius scale
B. Kelvin scale
C. Fehrenheit scale
D. None of these
4 Hydrogen and helium of same volume V at same temperature T and same pressure P are mixed to have same volume V. The resulting pressure of the mixtures will be
A. R/2
B. P
C. 2P
D. Depending on the relative mass of the gases
5 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
6 We can express the work in term of
A. directly measurable variables
B. indirectly measurable variables
C. either of them
D. both of them
7 Which of the following is not thermo dynamical function?
A. Enthalpy
B. Work done
C. Gibb's energy
D. Internal energy
8 While deriving the equation for pressure of a gas we consider the
A. rotational motion of molecules
B. vibrational motion of molecules
C. linear motion of molecules
D. all of them
9 While deriving equation of pressure by kinetic theory of gases, we take into account:
A. Only linear motion of molecules
B. Only rotational motion
C. Only vibratory motion
D. All of these
10 Which of the following is a state variable
A. entropy
B. pressure
C. volume
D. all of them

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  • Arsal

    Arsal

    31 Jan 2018

    Entry test is a good thing

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