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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
If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives:
Question # 2
The ideal gas obey gas law at:
Question # 3
Diesel engine coverts ____________ of available heat energy into work.
Question # 4
In thermodynamics, the change in internal energy depends upon:
Question # 5
The efficiency of a particle heat engine:
Question # 6
Carnot engine is ____________ heat engine.
Question # 7
According to boyle's law, volume of a given mass of a gas is
Question # 8
As the working substance of a heat engine completes a cycle, there is no change in:
Question # 9
Truth of kinetic energy theory is confirmed by:
Question # 10
In which process the change in internal energy of the system is zero:
Question # 11
The ratio of output work per cycle to input energy per cycle is called:
Question # 12
If temperature of the sink is decreased, efficiency of a carnot engine.
Question # 13
Pressure may be defined as_____per second per unit area:
Question # 14
If P is the pressure and V is the volume, Then PV will represent:
Question # 15
The equation PVr = Constant applies to:
Question # 16
Carnot cycle is:
Question # 17
No of spark plugs needed in diesel engine is:
Question # 18
In an ideal gas, the molecules have:
Question # 19
Avogadro number is known as number of molecules in:
Question # 20
A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:
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 | Carnot engine is ____________ heat engine. |
A. A reversible
B. An irreversible
C. An ideal
D. Both A and C
|
| 2 | 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
|
| 3 | 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
|
| 4 | Change in momentum per second is: |
A. Product force and time
B. Product of pressure and area
C. Ratio of pressure and area
D. None of these
|
| 5 | If temperature of the sink is decreased, efficiency of a carnot engine. |
A. Remains constant
B. Decreases
C. Increases
D. None of these
|
| 6 | The temperature scale approved in SI units is: |
A. Calslus scale
B. Kelvin scale
C. Fehrenhelt scale
D. None of these
|
| 7 | 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
|
| 8 | The ratio of output work per cycle to input energy per cycle is called: |
A. Entropy
B. Internal energy
C. Efficiency
D. None of these
|
| 9 | The nature of thermal radiation is smaller to: |
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of these
|
| 10 | The efficiency of a practical heat engine: |
A. Can be 100%
B. Can not be 100%
C. Is always Zero
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