ECAT Pre General Science Physics Chapter 11 MCQ Test With Answer

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

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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

00:00
Question # 1

For making cooking utensils, which of the following pairs of properties is most suited?

Question # 2

The absolute temperature for an ideal gas is

Question # 3

In the formula P = N0KT, N0denotes:

Question # 4

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

Question # 5

Maximum density of H2O is at the temperature

Question # 6

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

Question # 7

The unit of thermodynamical scale is

Question # 8

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

Question # 9

The curve representing an adiabatic process is called

Question # 10

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

Question # 11

The Boltzman constant has the value

Question # 12

If water in a closed bottle is taken up to the moon and opened, the water gets

Question # 13

The second law of thermodynamics is concerned with the circumstances in which

Question # 14

First law of thermodynamics is consequence of conservation of

Question # 15

The internal energy of a system does not depend upon the

Question # 16

At constant volume temperature is increased. Then

Question # 17

The efficiency of carnot engine cannot be 100% or one unless cold reservoir is at

Question # 18

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

Question # 19

While deriving equation of pressure by kinetic theory of gases, we take into account:

Question # 20

The kinetic energy of one molecule of a gas at normal temperature and pressure will be (k = 8.31 J/mole K) :

Question # 21

A typical four stroke petrol engine undergoes how many successive processes in each cycle

Question # 22

Absolute zero is considered as that temperature at which:

Question # 23

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

Question # 24

Which of the following does not have the same units:

Question # 25

In which process the condition for the application of Boyle's law on the gas is fulfilled

Question # 26

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

Question # 27

The work done by the system on its environment is considered as

Question # 28

One mole of any substance contain

Question # 29

Which quantity is important in stating the entropy of the system

Question # 30

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

Submit

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics MCQ`s Test

  • M
    Malik Farhan 26 - Jan - 2019 08 Min 09 Sec 80/120
  • I
    Israr Ahmed 09 - Mar - 2024 17 Min 46 Sec 60/120
  • W
    Waleed Ahmed 24 - Feb - 2023 05 Min 43 Sec 50/120
  • M
    Maliha afridi 25 - Oct - 2018 11 Min 47 Sec 50/120
  • G
    Gimi tunio 30 - Jun - 2018 26 Min 00 Sec 45/120
  • M
    Malik Farhan 23 - May - 2021 07 Min 14 Sec 35/120
  • F
    Farhan Sial 30 - Aug - 2018 09 Min 36 Sec 30/120
  • A
    Ahmed Ali Shah 07 - Nov - 2023 01 Min 01 Sec 25/120
  • K
    kamal deep 17 - Jun - 2023 02 Min 55 Sec 20/120
  • H
    hamza abid 27 - Jan - 2022 10 Min 50 Sec 20/120
  • M
    Mohsin rajput Rajput 21 - Sep - 2025 06 Min 38 Sec 9/30
  • F
    Frankie 09 - Sep - 2022 01 Min 29 Sec 0/120

ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 In the theory of dimensional analysis, heat may be properly represented by:
A. ML2T-2
B. MT-2
C. ML-1T-1
D. None of these
2 Gas constant per molecule is called:
A. Universal gas constant
B. Stefen's constant
C. Boltzmann constant
D. Gravitation constant
3 The absolute temperature of the tripple point of water is
A. 100°C
B. 4°C
C. 373 K
D. 273.16 K
4 For making cooking utensils, which of the following pairs of properties is most suited?
A. Low specific heat and high conductivity
B. Low specific heat and low conductivity
C. High specific heat and high conductivity
D. High specific heat and low conductivity
5 Amount of heat required to raise the temperature of a body through 1 K is called its
A. Specific heat
B. Water equivalent
C. Thermal capacity
D. Entropy
6 Efficiency of carnot engine is independent of the
A. temperature of sink
B. temperature of source
C. nature of the working substances
D. none of them
7 The percentage of available heat energy converted into work by a diesel engine is roughly
A. 35 %`
B. 40 %
C. 35 - 40 %
D. 25 %
8 The curve representing an isothermal process is called
A. adiabat
B. isotherm
C. fixed temperature
D. none of them
9 A carnot cycle consists of
A. One step
B. two step
C. three steps
D. four steps
10 In case of an ideal gas, the P.E associated with its molecule is
A. maximum
B. zero
C. minimum
D. not fixed

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!