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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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Total Questions20
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Time Allowed20
MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test
00:00
Question # 1
A process which is carried at constant temperature and Boyle's law can be applied is called:
Question # 2
For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:
Question # 3
The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:
Question # 4
Real gases strictly obey gas laws at:
Question # 5
What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC:
Question # 6
Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.
Question # 7
At constant temperature, if the density of the gas is increased, its pressure will:
Question # 8
The nature of thermal radiation is smaller to:
Question # 9
According to boyle's law, volume of a given mass of a gas is
Question # 10
If the temperature difference between hot and cold body is greater the heat engine is:
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
Pressure may be defined as_____per second per unit area:
Question # 14
A process in which no heat enters or leaves the system is called.
Question # 15
The only significant motion possessed by the mono-atomic gas molecules is:
Question # 16
Electromagnetic waves emitted by hot bodies are called:
Question # 17
Which of the following does not have the same units:
Question # 18
The value of universal gas constant R is:
Question # 19
Only those processes are probable to take place for which entropy os the system:
Question # 20
No of spark plugs needed in diesel engine is:
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
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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 | 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
|
| 3 | Carnot engine is ____________ heat engine. |
A. A reversible
B. An irreversible
C. An ideal
D. Both A and C
|
| 4 | Steam engine is: |
A. An optical system
B. A thermal system
C. A thermodynamic system
D. None of these
|
| 5 | 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
|
| 6 | The motion of molecules in gases i: |
A. Orderly
B. Random
C. Circular
D. All of these
|
| 7 | 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
|
| 8 | When heat is added to the system, the entropy change is: |
A. Positive
B. Negative
C. Zero
D. None of these
|
| 9 | The efficiency of a practical heat engine: |
A. Can be 100%
B. Can not be 100%
C. Is always Zero
D. None of these
|
| 10 | The temperature scale approved in SI units is: |
A. Calslus scale
B. Kelvin scale
C. Fehrenhelt scale
D. None of these
|
Test Questions
Share your comments & questions here
Komal
20 Sep 2019Not working .nnot giving result of test
Komal
20 Sep 2019Not working.not generating result
Ali Gohar
27 Aug 2019👌
hina
17 Jul 2018satisfactory