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

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MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

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Question # 1

The motion of molecules in gases i:

Question # 2

Which of the following does not have the same units:

Question # 3

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

Question # 4

One degree of thermodynamics scale of temperature is called:

Question # 5

Electromagnetic waves emitted by hot bodies are called:

Question # 6

A process which is carried at constant temperature and Boyle's law can be applied is called:

Question # 7

Real gases strictly obey gas laws at:

Question # 8

The equation PVr = Constant applies to:

Question # 9

In the theory of dimensional analysis, heat may be properly represented by:

Question # 10

The efficiency of a practical heat engine:

Question # 11

Truth of kinetic energy theory is confirmed by:

Question # 12

No of spark plugs needed in diesel engine is:

Question # 13

No entropy change is associated with:

Question # 14

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

Question # 15

Diesel engine coverts ____________ of available heat energy into work.

Question # 16

The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:

Question # 17

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

Question # 18

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

Question # 19

If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives:

Question # 20

Number of spark plugs needed in diesel engine is:

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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.

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MCAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.
A. Four , Six
B. One , four
C. two , five
D. None of these
2 The efficiency of a particle heat engine:
A. can be 100%
B. Cannot be 100%
C. Is always zero
D. None of these
3 Carnot engine is ____________ heat engine.
A. A reversible
B. An irreversible
C. An ideal
D. Both A and C
4 Which of the following does not have the same units:
A. Work
B. Heat
C. Kinetic energy
D. Power
5 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
6 Brownian motion confirms the truth of :
A. Wave theory of light
B. Boyle's law
C. Kinetic theory of gases
D. Adiabatic process
7 The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:
A. 1st
B. 2nd
C. 3rd
D. None of these
8 If temperature of the sink is decreased, efficiency of a carnot engine.
A. Remains constant
B. Decreases
C. Increases
D. None of these
9 Number of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these
10 Tick which of the following is not state variable:
A. Heat energy
B. Pressure
C. Entropy
D. Volume

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