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. With a free extension process
(A) No work done
(B) No heat transfer
(C) Both (A) and (B) above
(D) No work done, but heat increases
2. If gas vapors are allowed to expand through very fine openings, such a process is known as:
(A) Free expansion
(B) Hyperbolic expansion
(C) Adiabatic expansion
(D) Throttle
3. The specific heat of air is
(A)temperature
(B) Pressure
(C) Both pressure and temperature
(D) Variations of its components
4. The behavior of a perfect gas is subject to change in variables that controls its physical properties.
(A) Boyle's law
(B) Gay-Lussac's Law
(C) Charles' law
(D) All of these
5. A series of operations that are performed in a particular order and finally restore their initial state is known as:
(A) Irreversible cycle
(B) Thermodynamic cycle
(C) Reversible cycle
(D) None of these
6. Such a process is called when the fluid suddenly expands into a vacuum through a large dimensional orifice.
(A) Free expansion
(B) Hyperbolic expansion
(C) Adiabatic expansion
(D) Parabolic deployment
7. Which of the following processes is thermodynamically reversible?
(A) Throttle
(B) Free expansion
(C) Constant volume and constant pressure
(D) Isothermal and adiabatic
8. Which of the following processes is irreversible?
(A) Isothermal
(B) Insulation
(C) Throttle
(D) All of the above
9. To make the cycle reversible, the following conditions must be met:
(A) Do not encounter free expansion or frictional resistance expansion/compression process
(B) When absorbing heat, the temperature of the heat source and the agonist must be the same.
(C) If the beat is rejected, the temperature of the cold source and the agonist must be the same.
(D) All of the above
10. To make the TD process reversible, the temperature d/f b/w the hot object and the working substance should be as follows.
(A) Zero
(B) Minimum
(C) Maximum
(D) Infinity
11. Carbonization of coal
(A) Dry coal to make fine powder
(B) Molding finely ground coal under pressure with or without a binding material
(C) Heat wood to a temperature of 280 ° C or higher with a limited supply of air
(D) Neither of the above
12. Which of the following gases is primarily used for street and home lighting and heating?
(A) Mond gas
(B) Coal gas
(C) Producer gas
(D) Coal gas
13. If the values of the insulation index "n" are equal, the minimum work with the compressor is possible.
(A) 0.75
(B) 1
(C) 1.27
(D) 1.35
14. The molecular wt. of a perfect gas at 14.600 × 103 N / m² and 27 ° C is?:
(A) 4.17 m3 / kg mol
(B) 400 m3 / kg mol
(C) 0.15 m3 / kg mol
(D) 41.7 m3 / kg mol
15. The gas is compressed in the cylinder by a movable piston to 1/2 its original volume. During the process, 300 kilojoules of heat left the gas and the internal energy remain the same. The work done with Nm gas is as follows
(A) 300 Nm
(B) 300,000 Nm
(C) 30 Nm
(D) 3000 Nm
16. The isochoric process is as follows
(A) Free expansion is completed
(B) Little mechanical work is completed by the system.
(C) No mechanical work is completed by the system.
(D) All parameters remain constant
17. consistent with the primary law of thermodynamics
(A) The work done by the system is adequate to the warmth transferred by the system
(B) the entire internal energy of the system during the method remains constant
(C) Internal energy, enthalpy, and entropy during the method remain constant
(D) the entire energy of the system remains constant
18. For an equivalent compression ratio, the efficiency of the double combustion cycle is:
(A) Greater than the diesel cycle and smaller than the Otto cycle
(B) Larger than the diesel cycle
(C) but diesel cycle
(D) but diesel cycle and greater than Otto cycle
19. 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
20. Energy can't be generated or destroyed, but it is often converted from one form to a different.
(A) Zero throw of thermodynamics
(B) First law of thermodynamics
(C) Second law of thermodynamics
(D) Basic laws of thermodynamics
21. the primary law of thermodynamics is
(A) Heat and work
(B) System heat, work, and characteristics
(C) Various properties of the system
(D) Various thermodynamic processes
22. The change in enthalpy during a closed system is adequate to the warmth transferred if the process is constant.
(A) Pressure
(B) Temperature
(C) Volume
(D) Internal energy
23. the precise heat at a continuing volume
(A) the quantity of warmth required to boost the temperature of the unit mass of gas by 1 degree during a constant volume
(B) the quantity of warmth required to boost the temperature of the unit mass of gas by 1 degree at a continuing pressure
(C) Amount of warmth required to boost the temperature of 1 kg of water by 1 degree
(D) Any of the above
24. In a process
(A) No heat loss
(B) Heat loss
(C) Acquisition of warmth
(D) No increase in heat
25. within the isothermal process, internal energy
(A) will increase
(B) Decrease
(C) Stay constant
(D) First increase, then decrease
26. The change in internal energy of a closed system is adequate to the warmth transferred if the process is constant.
(A) Pressure
(B) Temperature
(C) Volume
(D) Internal energy
27. consistent with the primary law of thermodynamics
(A) Mass and energy are often converted to every other
(B) The Carnot engine is that the most effective
(C) Heat and work are often converted to every other
(D) Mass and lightweight are often converted to every other
28. the entire heat of matter is additionally known as:
(A) Internal energy
(B) Entropy
(C) Heat capacity
(D) Enthalpy
29. First law of thermodynamics
(A) it's possible to gauge the change of the interior energy of the system.
(B) it's impossible to gauge the change in entropy
(C) Provides the connection between heat, work, and internal energy
(D) All of the above
30. When heat is applied to the gas at a continuing pressure,
(A) Raise the temperature
(B) Increase pressure
(C) Increase the quantity
(D) Raise the temperature and perform external work
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