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 particular work done by a system is usually made up of reversible work, and therefore the difference between the 2 is named the Yankee of the method.
a) More, non-refundable.
B) Low, non-refundable.
c) more, reversal.
D) low, reversible.
2. Also called irreparable (I).
a) Decline
B) Consumption
C) Both
D) None of the above
3. For non-flow process between equilibrium states, when the system only exchanges heat with the atmosphere.
a) I = 0.
B) I> 0.
C) I = 0.
d) I>=0
4. For non-refundable, an equivalent expression applies to both flow and non-flow processes.
A true
B) False
5. Represents a rise in quantity [To * (sySystem + sSsurroundings)].
a) Available energy
B) Unavailable energy
C) diligence
D) All mentioned
6. Which of the subsequent is true?
a) the speed of labor loss doesn't depend upon the speed of entropy generation.
B) the speed of labor loss is proportional to the speed of entropy generation.
C) the speed of labor loss is directly proportional to the speed of entropy generation.
D) None of the above
7. A thermodynamically efficient process together with your rate of entropy generation will involve ____ external damage.
a) Minimal, minimal
B) Maximum, maximum
C) Minimum, maximum
D) Maximum, minimum.
8. The transfer of warmth through a limited temperature difference is tantamount to the destruction of its power.
A true
B) False
9. Ratio of reduction in availability or lost work.
a) Reduction in pressure
B) Mass flow
C) Both
D) None of the above
10. Entropy Generation Numbers is often given by.
a) (Entropy Generation Rate) * (Mass flow / Specific Heat)
B) (Entropy Generation Rate) / (Mass flow / Specific Heat)
C) (Entropy Generation Rate) * (Mass flow * Specific Heat)
D) (Entropy Generation Rate) / (Mass flow * Specific Heat)
11. Entropy becomes a generation number if two currents meet at equal temperatures.
a) 0.
B) 1.
C) -1.
D) Unlimited
12. At 1000 kPa, at 300 K the airflow decreases to 500 KPa. what's non-refundable?
a) 39.6 kg / kg
B) 49.6 kg / kg
c) 59.6 kg / kg
D) 69.6 kg / kg
13. A device using 10 kg air per second increases the supply of three kg of water to 1650 kg/kg which comes right down to 1400 kg and 600 kg/kg is a smaller amount available. what's non-refundable?
a) 1020 kW
B) 1030 kW
C) 1040 kW
D) 1050 kW
14. A 2 kg piece of iron is heated to a temperature of 25 ° C to 400 ° C at 600 ° C. what's irreversible in action?
a) 96.4 kJ
B) 86.4 kg
C) 76.4 kg
D) 66.4 kg
15. A rock bed (at 70 ° C) contains 6000 kg of granite. The house of 12000 kg of wood and 1000 kg of iron is at 15 ° C. they're delivered to an equivalent final temperature. Find the process by assuming an ambient temperature of 15 C.
a) 17191 kJ
b) 18191 kJ
c) 19191 kJ
D) 20191 kg
16. 7. A compressor is employed to initially bring saturated water vapor from 1 MPa to 17.5 MPa, from which the particular exhaust temperature is 650 ° C. Find a non-refundable.
a) 40.48 kJ / kg
B) 41.48 kg / kg
C) 43.48 kg / kg
D) 44.48 kg / kg
17. The performance of the primary law is defined because of the ratio of output energy to input energy.
A true
B) False
18. Which of the subsequent statements is true of the primary law?
a) It only deals with the quantity of energy.
B) It ignores the shape during which energy is present.
C) It doesn't discriminate between energies available at different temperatures.
D) All mentioned
19. Available with the concept of exergy, which of the subsequent is possible?
a) Analyze the means to scale back the available energy consumption to perform the given process.
B) Ensuring maximum efficient energy conversion.
C) Both
D) None of the above
20. The performance of the second law is praised.
a) Original foreign food / a minimum of foreign food.
B) Minimum foreign food / original foreign food
C) Actual external food / maximum excretion.
D) Maximum external diet / minimum external diet.
21. For one power station, the performance of the opposite law is often given by the specified output (W) / available energy (Wmax).
A true
B) False
22. The performance of the second law can also tend.
a) 1 / (first performance of the law * performance of Carnot)
B) Carnot's Performance * Performance of the primary Law.
c) Carnot's a performance / first law performance.
D) The performance of the primary law / Carnot's performance.
23. If work is involved, Amin = ____ and if heat is involved, Amin = ____
a) w, Q (1 + to / T)
b) W, Q (1-To / T)
c) Q (1 + To / T), W.
d) Q (1-To / T), W
24. If solar power Qr is out there at a storage temperature and if the quantity of warmth is transferred through the solar storage to a temperature Ta, which of the subsequent is true?
a) Performance of the primary law = Q / QR
b) Performance of the second law = exergy output/exergy input.
c) Performance of the second law = (Performance of the primary law) * (1- to / Ta) / (1-to / Tr)
D) All mentioned
25. within the case of an apparatus, the performance of the second law is given as.
a) (First Performance of Law) * (1- Ta / To)
B) (First performance of law) * (1+ to / to)
C) (First performance of law) * (1 to / to)
D) None of the above
26. Both the performance of the primary law and therefore the performance of the second law indicate how effectively the input has been converted into a product.
A true
B) False
27. For the right use of the exemption, it's essential that the performance of the primary law make certain and therefore the source and temperature of use ____.
a) The closer the alliance, the various.
B) Near unity, match.
C) Near zero, match.
D) Near zero, vary.
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