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 unit of thermodynamical scale is

Question # 2

In the formula P = N0KT, N0denotes:

Question # 3

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

Question # 4

Specific heat at constant pressure is greater than the specific heat at constant volume because

Question # 5

One mole of any substance contain

Question # 6

Rate of diffusion is

Question # 7

The relationship between Boltzmann constant k with R and NAis given as:

Question # 8

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

Question # 9

A succession of events which bring the system back to its initial condition is called

Question # 10

When heat is added into the system then change in entropy is

Question # 11

It is impossible to devise a processes which may convert heat, extracted from a single reservoir, entirely into work without leaving any change in the working system. This is the statement of

Question # 12

An irreversible heat flow from a hot to cold substances of a system, causes the disorder to

Question # 13

Brownian motion increases due to

Question # 14

The earliest heat engine was

Question # 15

Which of the following is a state variable

Question # 16

The ideal gas law is

Question # 17

We can express the work in term of

Question # 18

The absolute temperature for an ideal gas is

Question # 19

No spark plug is needed in

Question # 20

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

Question # 21

The temperature of gas is produced by

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

The product of the pressure and volume of an ideal gas is

Question # 26

When two objects are rubbed together, their internal energy

Question # 27

We cannot utilize the heat contents of oceans and atmosphere because

Question # 28

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 # 29

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

Question # 30

The heat required to raise the temperature of one mole of the gas through 1 K at constant volume is called

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 A heat engine is that which converts
A. mechanical energy into thermal energy
B. thermal energy into mechanical energy
C. K.E into potential energy
D. heat energy into light energy
2 Hotness and coldness of an object is represented in terms:
A. Heat
B. Temperature
C. Chemical energy
D. None of these
3 Energy gas behaves like an ideal gast at
A. High temperature and low pressure
B. Low temperature and high pressure
C. Both A and B
D. None
4 The ideal gas law is
A. P = nRT
B. V = nRT
C. PV =RT
D. PV =nRT
5 The coefficient of linear expansion of iron is 0.000011 per°K. An iron rod is 10 metre long at 27°C. The length of the rod will be decreased by 1.1 mm when the temperature of the rod changes to
A. 0°C
B. 10°C
C. 17°C
D. 20°C
6 When heat is removed from the system
A. negative
B. positive
C. zero
D. any one of them
7 Adiabatic change occurs when the gas
A. expands
B. compressed
C. expands or compressed
D. expands or compressed rapidly
8 The example of reversible process is
A. an explosion
B. changes occur suddenly
C. slow compression of a gas
D. all of them
9 Triple point of water is
A. 273.16°F
B. 372.16K
C. 273.16°F
D. 273.16
10 The basis to define a temperature scale that is independent of material properties is provided by
A. carbon cycle
B. nitrogen cycle
C. Carnot cycle
D. irreversible cycle

Test Questions

Is this page helpful?

Share your comments & questions here

Guest
  • Bilal A Munir

    Bilal A Munir

    20 Jun 2018

    Nice

    Like
    Reply