TOP MCQ

APPLIED THERMODYNAMICS OBJECTIVE TYPES QUESTIONS WITH ANSWERS.


Here may be a list of Top MCQ of Applied Thermodynamics Objective Type Questions And Answers provided for the AKTU and ALL OTHER UNIVERSITIES EXAMINATIONS. All the MCQ questions are most vital for AKTU especially. These sort of Objective questions are going to be asked in Diploma and Degree Internal Examinations.


1. Which of the subsequent is that the system property?

(A) Pressure and temperature

(B) Volume and density

(C) Enthalpy and entropy

(D) All of the above


2. On a weight basis, the air contains the subsequent parts of oxygen

(A) 21

(B) 23

(C) 25

(D) 73


3. Which of the subsequent is extensive and non-extensive?

(A) Pressure

(B) Temperature

(C) Density

(D) Heat


4. Which of the subsequent items isn't the trail function?

(A) Heat

(B) Work

(C) K.E. 

(D) Thermal conductivity


5. The work that wiped out the insulation process between the given end-state pairs is

(A) Only within the end state

(B) Specific insulation process

(C) Value of index "n"

(D) Value of warmth transferred


6. Heat and work

(A) Point function

(B) System properties

(C) Path function

(D) Extensive and extensive


7. Which of the subsequent parameters is constant for many gas moles at a specific temperature and pressure?

(A) Enthalpy

(B) Volume

(C) Mass

(D) Entropy


8. consistent with the statement of Kelvin-Planck's Second Law of Thermodynamics

(A) it's possible to create an engine that operates during a cyclic process whose sole purpose is to convert thermal energy into work.

(B) it's impossible to construct a tool that operates during a circulation process and has no effect aside from heat transfer from a coffee temperature body to a heat body.

(C) it's impossible to create an engine that operates during a cyclic process whose sole purpose is to convert thermal energy into work.

(D) Neither of the above


9. consistent with Avogadro's law 

(A) the merchandise of the universal gas constant and therefore the relative molecular mass of the perfect gas is constant.

(B) The sum of the partial pressures of a mix of two gases is that the sum of the 2 gases.

(C) At an equivalent temperature and pressure, all gases of an equivalent volume contain an equivalent number of molecules.

(D) All of the above


10. a worth of n = 1 within the polytropic process indicates that:

(A) process 

(B) Isothermal process

(C) Insulation process

(D) process 


11. Which of the subsequent is that the lightest and most volatile liquid fuel?

(A) Gasoline

(B) Kerosene

(C) heating oil 

(D) None of those 


12. the method by which the temperature of the working material is kept constant during expansion or compression of the working material is called:

(A) Insulation process

(B) Isothermal process

(C) Hyperbolic process

(D) Polytropic process


13. an ideal gas at 27 ° C is heated at a continuing pressure until it doubles in volume. the ultimate temperature is

(A) 54 ° C

(B) 327 ° C

(C) 108 ° C

(D) 654 ° C


14. Polytropic process If pVn = C and therefore the value of n is infinite, the method is understood as a continuing.

(A) Volume

(B) Pressure

(C) Temperature

(D) Enthalpy


15. the entire energy of a molecule is equally shared by the varying degrees of freedom that the molecule has. This law is understood as

(A) The law of equal distribution of energy

(B) Law of energy deterioration

(C) Law of conservation of energy

(D) None of those


16. within the isothermal process, the interior energy of gas molecules
(A) will increase
(B) Decrease
(C) Stay constant
(D) it's going to increase or decrease counting on the character of the gas.

17. When the cutoff ratio is ________; the efficiency of the diesel cycle approaches the efficiency of the Otto cycle.
(A) 1/4
(B) Zero
(C) 1/5
(D) 2

18. Zero Law of Thermodynamics
(A) Handles mass-energy conversion
(B) Handles process reversibility and irreversibility
(C) If the 2 systems are both in equilibrium with the third system, they're said to be in equilibrium with one another.
(D) Handle engine 

19. When a particular amount of solid is mixed with an equivalent amount of water at 80 ° C, the ultimate temperature of the mixture will be:
(A) 80 ° C
(B) 0 ° C
(C) 40 ° C
(D) 20 ° C

20. the idea of measuring the TD properties of temperature is given by the subsequent equation.
(A) Zero law of thermodynamics
(B) First law of thermodynamics
(C) Second law of thermodynamics
(D) Third law of thermodynamics

21. Open cycle turbine 
(A) Otto cycle
(B) Carnot cycle 
(C) Joule cycle
(D) Stirling cycle

22. Which of the subsequent has the very best calorific value?
(A) Anthracite
(B) soft coal 
(C) Peat
(D) Lignite

23.1 watts is adequate to 
(A) 1 Nm / s
(B) 1 N / m
(C) 1 Nm / hr
(D) 1 kNm / hr

24. No work was wiped out subsequent process
(A) Fixed amount
(B) Free expansion
(C) Throttle
(D) All of the above

25. Which of the subsequent substances can use the gas law with the smallest amount of error?
(A) Dry steam
(B) Wet steam
(C) Saturated steam
(D) Superheated steam

26. during a flowless process of p = (3V + 15) × 105N / m², V changes from 1m3 to 2m3. The work done is about
(A) 100 × 10 ⁵ Joule
(B) 1 × 10 ⁵ Joule
(C) 10 × 10 ⁵ Joule
(D) 10 × 10 ⁵ Kilojoule

27. The isothermal process is dominated by
(A) Gay-Lussac's law 
(B) Charles' law
(C) Boyle's law 
(D) Avogadro's law 

28. 1 kilogram of carbon requires 4/3 kilogram of oxygen and produces ___ kg of carbon monoxide gas.
(A) 8/3
(B) 7/3
(C) 11/7
(D) 11/3

29. The unit useful of the merchandise of the relative molecular mass of all gases of M.K.S. and therefore the gas characteristic constants are
(A) 29.27 kgfm / mol ° K
(B) 8314 kgfm / mol ° K
(C) 848 kgfm / mol ° K
(D) 427 kgfm / mol ° K

30. On a volume basis, air contains the subsequent parts of oxygen:
(A) 21
(B) 23
(C) 25
(D) 77