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

The curve representing an adiabatic process is called

Question # 2

One mole of any substance contain

Question # 3

An isochoric process is one which take place at

Question # 4

A process in which no heat enters or leaves the system is called

Question # 5

No spark plug is needed in

Question # 6

Internal energy is the sum of all the forms of

Question # 7

If a process cannot be retraced in the backward direction by reversing the controlling factors, it is

Question # 8

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

Question # 9

If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:

Question # 10

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

Question # 11

If the distance between two charges is doubled, the force between them will become:

Question # 12

The highest efficiency of a heat engine whose low temperature is 17°C and the high temperature is 200°C is

Question # 13

The bicycle pump provides a good example of

Question # 14

Hotness and coldness of an object is represented in terms:

Question # 15

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

Question # 16

In the reverse process, the working substance passes through the same stages as in the direct process and

Question # 17

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

Question # 18

If R is gas constant for 1 gram mole, Cpand Cvare specific heat for a solid then

Question # 19

The example of reversible process is

Question # 20

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 # 21

R.M.S velocity of a particle is V at pressure P. If pressure increases by two times, then R.M.S velocity becomes

Question # 22

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

Question # 23

Melting point of ice

Question # 24

Triple point of water is

Question # 25

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

Question # 26

The ideal gas law is

Question # 27

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

Question # 28

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

Question # 29

The temperature of gas is produced by

Question # 30

In thermodynamics, internal energy is the function of

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 The nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of these
2 Rate of diffusion is
A. Faster in solids than in liquids and gases
B. Faster in liquids than in solids and gases
C. Equal to solids, liquids and gases
D. Faster in gases than in liquids and solids
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 A carnot cycle consists of
A. One step
B. two step
C. three steps
D. four steps
5 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
6 First law of thermodynamics is consequence of conservation of
A. Work
B. Energy
C. Heat
D. All of these
7 At absolute temperature, the kinetic energy of the molecules
A. Becomes zero
B. Becomes maximum
C. Becomes minimum
D. Remain constant
8 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
9 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
10 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
A. P=P/V<1/2mv2>
B. P=2N/V<1/2mv2>
C. P=2/3N/V<1/2mv2>
D. P=2/3N/V<mv2>

Test Questions

Is this page helpful?

Share your comments & questions here

Guest
  • Bilal A Munir

    Bilal A Munir

    20 Jun 2018

    Nice

    Like
    Reply