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

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

Question # 2

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

Question # 3

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

Question # 4

In which process, the change in internal energy of the system of zero:

Question # 5

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

Question # 6

The motion of molecules in gases i:

Question # 7

According to boyle's law, volume of a given mass of a gas is

Question # 8

Real gases strictly obey gas laws at:

Question # 9

The temperature at which all the gases become liquid is called:

Question # 10

The equation PVr = Constant applies to:

Question # 11

In thermodynamics, the change in internal energy depends upon:

Question # 12

A certain engine coverts 20% of available heat energy into work. Then its efficiency will be:

Question # 13

Steam engine is:

Question # 14

Pressure may be defined as_____per second per unit area:

Question # 15

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

Question # 16

Change in momentum per second is:

Question # 17

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

Question # 18

Truth of kinetic energy theory is confirmed by:

Question # 19

In which process the change in internal energy of the system is zero:

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 Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 While dealing with the processes i thermodynamics, the working substances is usually:
A. Oxygen gas
B. Hydrogen gas
C. Ideal gas
D. None of these
3 The pressure exerted on the walls on the vessel by gas molecules is defined as:
A. Force per unit volume
B. Energy per unit area
C. mass per unit volume
D. None of these
4 Tick which of the following is not state variable:
A. Heat energy
B. Pressure
C. Entropy
D. Volume
5 In thermodynamics, the change in internal energy depends upon:
A. The path taken between initial and final states
B. The initial state only
C. The final state only
D. Initial and final states
6 The temperature scale approved in SI units is:
A. Calslus scale
B. Kelvin scale
C. Fehrenhelt scale
D. None of these
7 Carnot cycle is:
A. Reversible
B. Irreversible
C. Sometimes A, Sometimes B
D. None of these
8 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
9 A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:
A. Ideal gas
B. Inert gas
C. Real gas
D. None of these
10 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

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