MDCAT Physics Chapter 8 MCQ Test With Answer for (Heat and Thermodynamics)

If you are looking for the MCQs of Chapter 8 of Physics, then you are on the right platform. The candidates can check the MCQs from this platform to prepare for the entry test. MDCAT is the MCQs-based test in which the students have to solve the given questions in the provided time.

MCQ's Test For MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

Try The MCQ's Test For MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

  • Total Questions20

  • Time Allowed20

MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

00:00
Question # 1

Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.

Question # 2

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

Question # 3

First law of thermodynamics is merely a statement of law of conversation of:

Question # 4

Absolute zero is considered as that temperature at which:

Question # 5

While dealing with the processes i thermodynamics, the working substances is usually:

Question # 6

Steam engine is:

Question # 7

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

Question # 8

The efficiency of a particle heat engine:

Question # 9

Diesel engine coverts ____________ of available heat energy into work.

Question # 10

Truth of kinetic energy theory is confirmed by:

Question # 11

The ideal gas obey gas law at:

Question # 12

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

Question # 13

Number of spark plugs needed in diesel engine is:

Question # 14

The equation W = ________𝜟U represents:

Question # 15

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

Question # 16

For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:

Question # 17

When heat is added to the system, the entropy change is:

Question # 18

The nature of thermal radiation is similar to:

Question # 19

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

Question # 20

Avogadro number is known as number of molecules in:

Prepare Complete Set Wise MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test MCQs Online With Answers


Topic Test

00:00

The students preparing for the MDCAT must solve the questions before appearing in the entry test. By solving the MCQs, the students can have a better understanding of the topic, and they can ace the test with maximum marks. The students should solve all the provided MCQs. Moreover, the answers are also given to facilitate the students to cross-check after solving the MCQs. It is mandatory to prepare all the topics included in this chapter thoroughly. Stay in touch with us to get more updates about the preparation material for MDCAT.

Top Scorers Of MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test MCQ`s Test

  • U
    Ume Rubab 11 - Sep - 2024 00 Min 28 Sec 15/20
  • A
    Amshal Syed 18 - Sep - 2024 00 Min 31 Sec 15/20
  • S
    Sameer Ali 02 - Oct - 2024 00 Min 49 Sec 14/20
  • A
    ayan sajjad 06 - Nov - 2024 01 Min 55 Sec 14/20
  • R
    RIZWAN LIAQAT 21 - Oct - 2024 02 Min 09 Sec 14/20
  • A
    Areeba Jamal 14 - Sep - 2024 03 Min 06 Sec 14/20
  • M
    Mohammad Ahmed 28 - Sep - 2024 09 Min 09 Sec 14/20
  • A
    asima noreen 18 - Sep - 2024 02 Min 52 Sec 13/20
  • W
    Wania Irfan 11 - Sep - 2024 05 Min 11 Sec 13/20
  • D
    Danish Asghar. 17 - Sep - 2024 06 Min 43 Sec 13/20
  • H
    Haziqa Arshad 18 - Sep - 2024 01 Min 47 Sec 12/20
  • M
    Mehak Soomro 19 - Sep - 2024 03 Min 28 Sec 12/20
  • H
    Hafiz Hafiz 04 - Nov - 2024 04 Min 03 Sec 12/20
  • N
    Noor hadi 17 - Sep - 2025 11 Min 41 Sec 12/15
  • J
    Jahanzeb 18 - Sep - 2024 16 Min 39 Sec 12/20

MCAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The number of molecules in one mole of gas is equal to:
A. Avogadro number NA
B. Gas constant R
C. Boltzmann constant k
D. None of these
2 Diesel engine coverts ____________ of available heat energy into work.
A. 20% to 25%
B. 25% to 30%
C. 30% to 35%
D. 35% to 40%
3 If P is the pressure and V is the volume, Then PV will represent:
A. Power
B. Work
C. Force
D. None of these
4 Real gases strictly obey gas laws at:
A. High pressures and low temperatures
B. Low pressures and high temperatures
C. High pressures and & temperatures
D. None of these
5 The temperature at which all the gases become liquid is called:
A. 273 K
B. -273 K
C. Absolute Zero
D. Both (B) and (C)
6 Hotness and coldness of an object is represented in terms of:
A. Heat
B. Temperature
C. Chemicial
D. None of these
7 Steam engine is:
A. An optical system
B. A thermal system
C. A thermodynamic system
D. None of these
8 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
9 Carnot engine is ____________ heat engine.
A. A reversible
B. An irreversible
C. An ideal
D. Both A and C
10 If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:
A. -2 mv
B. Zero
C. 2 mv
D. mv

Test Questions

Is this page helpful?