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

00:00
Question # 1

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

Question # 2

Pressure may be defined as_____per second per unit area:

Question # 3

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

Question # 4

The motion of molecules in gases i:

Question # 5

In an ideal gas, the molecules have:

Question # 6

At constant temperature, if the volume of a given mass of a gas is doubled, then the density of gas becomes:

Question # 7

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

Question # 8

Carnot cycle is:

Question # 9

The ratio of output work per cycle to input energy per cycle is called:

Question # 10

Only those processes are probable to take place for which entropy os the system:

Question # 11

Diesel engine coverts ____________ of available heat energy into work.

Question # 12

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

Question # 13

Number of spark plugs needed in diesel engine is:

Question # 14

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

Question # 15

If P is the pressure and V is the volume, Then PV will represent:

Question # 16

The only significant motion possessed by the mono-atomic gas molecules is:

Question # 17

Petrol engine coverts ____________ of available heat energy into work.

Question # 18

Carnot engine is ____________ heat engine.

Question # 19

Tick which of the following is not state variable:

Question # 20

No 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 The temperature scale approved in SI units is:
A. Calslus scale
B. Kelvin scale
C. Fehrenhelt scale
D. None of these
2 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
3 The relationship between Boltzmann constant K with R and NAis given as:
A. k = RNA
B. k = R/NA
C. k = NR/NA
D. None of these
4 In which process, the change in internal energy of the system of zero:
A. Isochoric process
B. isobaric process
C. Adiabatic process
D. Isothermal process
5 What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC:
A. Reversible
B. Irreversible
C. Sometimes A and B
D. None of these
6 When a gas is compressed:
A. Its internal energy decreases
B. Its temperature decreases
C. Its temperature increases
D. None of these
7 In an ideal gas, the molecules have:
A. Kinetic energy only
B. Potential energy only
C. Both KE and PE
D. None of these
8 Steam engine is:
A. An optical system
B. A thermal system
C. A thermodynamic system
D. None of these
9 If P is the pressure and V is the volume, Then PV will represent:
A. Power
B. Work
C. Force
D. None of these
10 Number of spark plugs needed in diesel engine is:
A. Four
B. Five
C. Six
D. None of these

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