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

Start Test Download PDF

MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

00:00
Question # 1

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

Question # 2

Tick which of the following is not state variable:

Question # 3

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

Question # 4

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

Question # 5

No of spark plugs needed in diesel engine is:

Question # 6

If temperature of the sink is decreased, efficiency of a carnot engine.

Question # 7

Number of spark plugs needed in diesel engine is:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The motion of molecules in gases i:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Steam engine is:

Question # 16

One degree of thermodynamics scale of temperature is called:

Question # 17

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

Question # 18

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

Question # 19

The number of molecules in one mole of gas is equal to:

Question # 20

The efficiency of a particle heat engine:

Submit

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


Topic Test

00:00
Submit

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 equation PVr = Constant applies to:
A. Isothermal process
B. Adiabatic process
C. Isobaric process
D. None of these
2 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
3 The efficiency of a particle heat engine:
A. can be 100%
B. Cannot be 100%
C. Is always zero
D. None of these
4 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
5 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%
6 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
7 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
8 When two objects come to common temperature, the body is said to be in:
A. Static equilibrium
B. Dynamic equilibrium
C. Thermal equilibrium
D. None of these
9 The value of universal gas constant R is:
A. 8.314 J/K mole K
B. 8314 J/ mole K
C. 8.314 J/ mole K
D. None of these
10 A process which is carried at constant temperature and Boyle's law can be applied is called:
A. Adiabatic process
B. Isothermal process
C. Isochoric process
D. None of these

Test Questions

Is this page helpful?