Engineering Thermodynamics MCQS




     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. The efficiency of the Stirling cycle is an excellent Carnot cycle .

(A)Greater than

(B)Less than

(C) Equal

(D) None of those

 

2. The entropy of water at 2.0 ° C

(A) 1

(B) 0

(C) -1

(D) 10

 

3. air gas

(A) Partial combustion of coal, coke, anthracite or charcoal during a phreatic eruption

(B) Carbonization of soft coal

(C) Pass steam through incandescent coke

(D) Pass air and an outsized amount of steam through the waste coal at about 650 ° C.

 

4. For an equivalent compression ratio, the efficiency of the diesel cycle is a little more Otto cycle.

(A)Greater than

(B)Less than

(C) Equal

(D) None of those

 

5. Carnot cycle efficiency can increase as follows

(A) Raise the utmost temperature

(B) Lower the utmost temperature

(C) Raise the minimum temperature

(D) Keep the minimum temperature constant

 

6. The relative atomic mass of nitrogen is a little more oxygen.

(A) Equal

(B)Less than

(C) and above

(D) None of those

 

7. The clear area or space where TD processes occurs are known as?

(A) Thermodynamic system

(B) Thermodynamic cycle

(C) Thermodynamic process

(D) Laws of thermodynamics

 

8. temperature (absolute 0 temperature)

(A) When the molecular momentum of the system become 0.

(B) stumped level

(C) At a temperature of -273K

(D) At the middle of the world

 

9. the facility of an easy turbine cycle

(A) Maximum cycle temperature

(B) Minimum cycle temperature

(C) Pressure ratio

(D) All of those

 

10. during a closed cycle turbine , the air is compressed

(A) Isothermal

(B) Isentropic

(C) Polytropic

(D) None of those

 

11. The thermal efficiency of a perfect turbine plant is given by the subsequent equation (where r = pressure ratio).

(A) rγ-1

(B) 1-rγ-1

(C) 1- (1 / r) γ / γ-1

(D) 1- (1 / r) γ-1 / γ

 

12. the method of heating petroleum to a heat under very high to extend the yield of lighter distillates

(A) Cracks

(B) Carbonization

(C) fractionation

(D) Complete distillation

 

13. One kilogram, of carbon monoxide gas requires 4/7 kilogram of O2,

(A) 11/3 kg of CO2 gas

(B) carbon monoxide gas gas 7/3 kg

(C) 11/7 kg of CO2 gas

(D) carbon monoxide gas gas 8/3 kg

 

14. Gasoline is distilled at

(A) 65 ° ~ 220 ° C

(B) 220 ° to 345 ° C

(C) 345 ° to 470 ° C

(D) 470 ° ~ 550 ° C

 

15. the quality air efficiency of the Otto cycle is given by the subsequent equation (where r = compression ratio, γ = heat ratio).

(A) 1-rγ-1

(B) 1 + rγ-1

(C) 1- (1 / rγ-1)

(D) 1 + (1 / rγ-1)

 

16. Mond gas is by

(A) Partial combustion of coal, coke, anthracite or charcoal during a phreatic eruption

(B) Carbonization of soft coal

(C) Pass steam through incandescent coke

(D) Pass air and an outsized amount of steam through the waste coal at about 650 ° C.

 

17. Which of the subsequent gases has the littlest molecular weight?

(A) Oxygen

(B) Nitrogen

(C) Hydrogen

(D) Methane

 

18. The efficiency of the diesel cycle

(A) Reduction of cutoff

(B) Increased cutoff

(C) Constant cutoff

(D) None of those

 

19. what's the insulation process?

(A) Heat doesn't enter or leave the gas

(B) The temperature of the gas changes

(C) Changes in internal energy are adequate to the mechanical work done

(D) All of the above

 

20. Distillation is administered in order that the liquid with rock bottom boiling point evaporates and recondenses first, then the liquid with subsequent highest boiling point evaporates and recondenses. Liquid fuels are collected separately so as of boiling point. Such a process is named

(A) Cracks

(B) Carbonization

(C) fractionation

(D) Complete distillation

 

21. the method by which the temperature of the working substance is kept constant during expansion or compression is named .

(A) Isothermal process

(B) Hyperbolic process

(C) Insulation process

(D) Polytropic process

 

22. When two objects are in equilibrium with the third object, they're also in equilibrium with one another . This statement is named

(A) Zero law of thermodynamics

(B) First law of thermodynamics

(C) Second law of thermodynamics

(D) Kelvin Planck's law

 

23. Which of the subsequent has the very best calorific value?

(A) Peat

(B) Lignite

(C) soft coal

(D) Anthracite

 

24. The Stirling cycle consists of:

(A) 2 const. volumes and 2 isentropic process.

(B) Two constant volume processes and two isothermal processes

(C) 2 const. pressure process.  & 2 isothermal process.

(D) 1 const. volume, 1 const. pressure, and 2 isentropic process.

 

25. The reverse joule cycle is understood as

(A) Carnot cycle

(B) Bell-Coleman Cycle

(C) Rankine cycle

(D) Stirling cycle

 

26. Which of the subsequent explanations is correct?

(A) Heat and work are boundary phenomena

(B) Heat and work represent energy that transcends system boundaries

(C) Heat and work are pathway functions

(D) All of the above

 

27. Oxygen atoms are literally times heavier than hydrogen atoms.

(A) 2

(B) 8

(C) 16

(D) 32

 

28. Heat flows from a chilly body to a hot body with the assistance of an external source. This statement is given by

(A) Kelvin

(B) Jules

(C) Clause

(D) Gay Rusak

 

29. The minimum amount of substance which will exist on its own during a chemically recognizable form is understood as follows.

(A) Element

(B) Compound

(C) Atom

(D) Molecule

 

30. The behavior of superheated steam is analogous .

(A) ideal gas

(B) Air

(C) Steam

(D) Ordinary gas

 

 


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