ECAT Pre Engineering Physics Chapter 11 MCQ Test With Answer

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

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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

00:00
Question # 1

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

Question # 2

Average KE of a gas molecule has:

Question # 3

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

Question # 4

During the whole carnot cycle

Question # 5

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

Question # 6

Absolute zero is considered as that temperature at which:

Question # 7

Amount of heat required to raise the temperature of a body through 1 K is called its

Question # 8

The disorder in the system increases due to the

Question # 9

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

Question # 10

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

Question # 11

In the formula P = N0KT, N0denotes:

Question # 12

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

Question # 13

Rate of diffusion is

Question # 14

A real gas can be approximated to an ideal gas at

Question # 15

The absolute temperature for an ideal gas is

Question # 16

One mole of any substance contain

Question # 17

The temperature scale approved in SI units is:

Question # 18

At what temperature the adiabatic change is equivalent to the isothermal change?

Question # 19

Pressure of a gas at constant volume is proportion to

Question # 20

Two samples A and B of a gas initially of the same temperature and pressure are compressed from a volume V to a volume V/2 such that A is compressed isothermally and B adiabatically. The final pressure

Question # 21

Two metal rods A and B have their initial lengths in the ratio 2 : 3 and coefficients of linear expansion in the ratio 4 : 3. When they are heated through same temperature difference the ratio of their linear expansion is

Question # 22

Which of the following is not an assumption of kinetic energy

Question # 23

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

Question # 24

The percentage of available heat energy converted into work by a petrol engine is roughly

Question # 25

Generally a temperature scale is established by using certain physical properties of a material which varies

Question # 26

First law of thermodynamics tells us that heat energy can be converted into equivalent amount of work, but it is silent about

Question # 27

A gas which strictly obeys the gas laws under all conditions of temperature and pressure is called:

Question # 28

A process is a reversible process, if the entropy of the system

Question # 29

An isochoric process is one which take place at

Question # 30

The rate of change of momentum of a molecule is equal to:

Submit

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


Topic Test

00:00
Submit

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

  • D
    Deuspeu 25 - Sep - 2024 02 Min 03 Sec 115/120
  • M
    M Umer Arain 19 - Nov - 2024 00 Min 11 Sec 105/120
  • D
    Dr Shahida 01 - Nov - 2024 11 Min 12 Sec 100/120
  • N
    Nitalaya Hassan 24 - Dec - 2024 04 Min 02 Sec 95/120
  • G
    Ghulam Murtaza 12 - Sep - 2024 20 Min 35 Sec 95/120
  • A
    Akshey Lohana 27 - Aug - 2024 14 Min 26 Sec 90/120
  • U
    Umair Rajput 09 - Sep - 2024 15 Min 22 Sec 85/120
  • I
    It's me Sm 26 - Aug - 2024 04 Min 12 Sec 80/120
  • S
    Sania Ahmed 16 - Dec - 2024 04 Min 58 Sec 75/120
  • K
    Kalsoom Memon 20 - Sep - 2024 06 Min 11 Sec 75/120
  • S
    Sanjna Uttwani 21 - Sep - 2024 05 Min 22 Sec 70/120
  • S
    Sudais Khan 12 - Jul - 2024 07 Min 45 Sec 70/120
  • A
    Aakash Rind 07 - Dec - 2024 06 Min 58 Sec 65/120
  • A
    Ali imtiaz 01 - Oct - 2024 07 Min 18 Sec 65/120
  • R
    Rashida Latif 13 - Jan - 2025 07 Min 37 Sec 65/120

ECAT Physics Chapter 11 Important MCQ's

Sr.# Question Answer
1 At constant temperature, if the density of the gas is increased, its pressure will:
A. One kg of a substance
B. Unit volume of a substance
C. One mole of a substance
D. None of these
2 The heat required to raise the temperature of one mole of the substance through 1 K is called
A. heat capacity
B. specific heat capacity
C. molar specific heat
D. all of them
3
During the whole carnot cycle
A. Thermal equilibrium is maintained
B. mechanical equilibrium is maintained
C. both the thermal and mechanical equilibriumis maintained
D. both the thermal and mechanical equilibrium is not maintained
4 Internal energy is the sum of all the forms of
A. K.E
B. P.E
C. both of them
D. none of them
5 If the distance between two charges is doubled, the force between them will become:
A. Double
B. Half
C. Three times
D. One fourth
6 The only significant motion possessed by the mono-atomic gas represented is:
A. Translatory
B. Rotatory
C. Vibratory
D. None of these
7 The work done on the system by the environment is considered as
A. positive
B. negative
C. zero
D. any one of them
8 A reversible cycle is the one in which
A. some of the changes are reversible
B. all of the changes are reversible
C. all of the changes are irreversible
D. none of them
9 The volume of a gas will be double of what it is at 0°C (pressure remaining constant) at
A. 546 K
B. 273 K
C. 546°C
D. 273°C
10 Good absorbers of heat are
A. Poor emitters
B. Non emitters
C. Good emitters
D. Highly polarized

Test Questions

Is this page helpful?

Share your comments & questions here

Guest
  • Bilal A Munir

    Bilal A Munir

    20 Jun 2018

    Nice

    Like
    Reply