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

Boyle's law is applicable in

Question # 2

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

Question # 3

In thermodynamics, internal energy is the function of

Question # 4

An amount of water of mass 20 g at 0°C is mixed with 40 g of water at 10°C. Final temperature of mixture is

Question # 5

Sadi carnot described an ideal heat engine in

Question # 6

Which of the following is not an example of adiabatic process

Question # 7

A heat engine is that which converts

Question # 8

A reversible cycle is the one in which

Question # 9

In the formula P = N0KT, N0denotes:

Question # 10

At constant temperature, if the density of the gas is increased, its pressure will:

Question # 11

The number of translation degress of freedom for a diatomic gas is

Question # 12

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

Question # 13

A real gas can be approximated to an ideal gas at

Question # 14

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

Question # 15

No spark plug is needed in

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ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 The pressure of gas everywhere inside the vessel will be the same provided the gas is of
A. Non-uniform density
B. uniform density
C. high density
D. low density
2 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
3 Which of the following is not an example of adiabatic process
A. the rapid escape of air from a burst type
B. the rapid expansion and compression of air through which a sound wave is passing
C. cloud formation in the atmosphere
D. none of them
4 First law of thermodynamic is special case of
A. Law of conservation of energy
B. Charle's law
C. Law of conservation of mass
D. Boyle's law
5 Triple point of water is
A. 273.16°F
B. 372.16K
C. 273.16°F
D. 273.16
6 The unit of thermodynamical scale is
A. centigrade
B. fahrenheit
C. kelvin
D. none of them
7 Brownian motion increases due to
A. Increase in size of Brownian particle
B. Increase in temperature of medium
C. Increase in density of medium
D. Increase in viscosity of medium
8 One mole of any substance contain
A. same number of molecules
B. different number of molecules
C. may be same or different
D. none of them
9 In the formula P = N0KT, N0denotes:
A. Number of molecules per unit per volume
B. Number of moles
C. Number of molecules
D. None of these
10 The example of reversible process is
A. an explosion
B. changes occur suddenly
C. slow compression of a gas
D. all of them

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  • Arsal

    Arsal

    31 Jan 2018

    Entry test is a good thing

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