thermodynamics objective questions

    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. 1 kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas gas.

(A) 8/3

(B) 11/3

(C) 11/7

(D) 7/3

 

2. Diesel cycle efficiency approaches Otto cycle efficiency within the following cases:

(A) Cutoff increases

(B) Cutoff is reduced

(C) The cutoff is zero

(D) The cutoff is constant

 

3. The behavior of an ideal gas subject to changes in variables that control its physical properties is governed by.

(A) Boyle's law

(B) Charles' law

(C) Gay-Lussac's law

(D) All of those

 

4. the reason being obtained when coal is carbonized at 500-700 ° C.

(A) Soft charcoal

(B) Anthracite

(C) Fine pulverized coal

(D) soft coal

 

5. A molecule consisting of 1 atom is understood as

(A) Monatomic

(B) Two atoms

(C) Triatomic

(D) Polyatomic

 

6. The unit of energy is S. I. Units

(A) Jules (J)

(B) Joule meter (Jm)

(C) Watt (W)

(D) Joule / meter (J / m)

 

7. the quantity of warmth generated per 1 kg of fuel is understood as follows.

(A) Calorific value

(B) Thermal energy

(C) Low calorific value

(D) Higher calorific value

 

8. Entropy in an irreversible cyclic monition .

(A) Stay constant

(B) Decrease

(C) Increase

(D) None of those

 

9. consistent with Boyle's law , within the case of an ideal gas (p = absolute pressure, v = volume, T = absolute temperature)

(A) If T is kept constant, p v = constant

(B) If p is kept constant, v / T = constant

(C) If v is kept constant, p / T = constant

(D) If v is kept constant, T / p = constant

 

10. Which of the subsequent is that the broad range of properties of thermodynamic systems?

(A) Pressure

(B) Volume

(C) Temperature

(D) Density

 

11. the rise in system entropy

(A) Increased energy availability

(B) Temperature rise

(C) Pressure drop

(D) Deterioration of energy

 

12. The cycle consisting of two isothermal processes and two isentropic processes is understood as follows.

(A) Carnot cycle

(B) Stirling cycle

(C) Ericsson cycle

(D) Joule cycle

 

13. If the coal is strongly heated for 42-48 hours during a row with no air within the closed container, this process is understood as fuel ___________.

(A) Spraying

(B) Carbonization

(C) Combustion

(D) None of those

 

14. Which of the subsequent is extensive and extensive in thermodynamic systems?

(A) Volume

(B) Temperature

(C) Mass

(D) Energy

 

15. during a wide selection of properties of thermodynamic systems

(A) a good range of warmth is transferred

(B) Extensive work is being done

(C) a good range of energy is employed

(D) None of those

 

16. If the pressure is kept constant, for each 1 ° C change in temperature, the quantity of all complete gas will change by 1/273 of the first volume at 0 ° C. This statement is named

(A) Boyle's law

(B) Charles' law

(C) Gay-Lussac's law

(D) Joule's law

 

17. If the cutoff ratio is an excellent , the efficiency of the diesel cycle approaches that of the Otto cycle.

(A) Zero

(B) 1/5

(C) 4/5

(D) 1

 

18. The relative atomic mass of O2 is?

(A) 8

(B) 18

(C) 16

(D) 32

 

19. Improves turbine cycle with regenerator

(A) Thermal efficiency

(B) Power

(C) Avoid pollution

(D) None of those

 

20. Which of the subsequent processes are often reversible employing a regenerator?

(A) Constant pressure process

(B) Volumetric process

(C) Constant pvn process

(D) All of those

 

21.1 kg of carbon produces ___________ kg of CO2 .

(A) 3/7

(B) 7/3

(C) 11/3

(D) 3/11

 

22. The Kinetic Energy per kilogram molecule of any gas at temperature T is (where Ru = universal gas const.):

(A) Ru × T

(B) 1.5Ru × T

(C) 2Ru × T

(D) 3Ru × T

 

23. If the worth of the equation pvn = C, n = ∝, the method are going to be called

(A) Volumetric process

(B) Insulation process

(C) Constant pressure process

(D) Isothermal process

 

24. the precise heat value at constant pressure (cp) is that the heat value at constant volume (cv).

(A)Less than

(B) Equal

(C) and above

(D) None of those

 

25.1 kg of carbon monoxide gas requires __________ kg of oxygen to supply 11/7 kg of CO2 gas.

(A) 4/7

(B) 11/4

(C) 9/7

(D) All of those

 

26. what's the efficiency of the diesel cycle?

(A) Temperature limit

(B) Pressure ratio

(C) Compression ratio

(D) Cutoff ratio and compression ratio

 

27. The efficiency of the Carnot cycle is as follows (where T1 and T2 = maximum and minimum temperatures during the cycle): 

(A) (T1 / T2) -1

(B) 1- (T1 / T2)

(C) 1- (T2 / T1)

(D) 1 + (T2 / T1)

 

28. The gas within the cooling chamber of the closed cycle turbine is cooled within the following locations.

(A) Fixed amount

(B) Constant temperature

(C) Constant pressure

(D) None of those

 

29. When the coal is first dried then crushed into fine powder with a crusher, the resulting fuel is named .

(A) Charcoal

(B) soft coal

(C) Charcoal

(D) None of those

 

30. The thermodynamic difference between the Rankine cycle and therefore the Carnot cycle operating on saturated steam is

(A) Carnot cycle doesn't work with saturated steam

(B) Heat is supplied to the water at a temperature less than the utmost temperature of the cycle.

(C) The Rankine cycle receives heat in two places

(D) The Rankine cycle is fictitious