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. A substance that
has never been weakened into other simpler sorts of matter is named
(A) Element
(B) Compound
(C) Atom
(D) Molecule
2. the foremost
probable velocity of the gas molecule is given by the subsequent equation.
(A) √ (KT / m)
(B) √ (2KT / m)
(C) √ (3KT / m)
(D) √ (5KT / m)
3. The sum of
internal energy (U) and therefore the product of pressure and volume (p.v) is
understood as:
(A) Work completed
(B) Entropy
(C) Enthalpy
(D) None of those
4. The state of
matter that has completed evaporation from the liquid state is understood as
follows.
(A) Steam
(B) ideal gas
(C) Air
(D) Steam
5. the basis mean
square velocity of a gas molecule is given by the subsequent equation (where k
= Boltzmann constant, T =
temperature , m = mass of 1 molecule of gas).
(A) √ (KT / m)
(B) √ (2KT / m)
(C) √ (3KT / m)
(D) √ (5KT / m)
6. When an ideal gas
expands through a finely sized opening, the method is understood as follows.
(A) Isothermal process
(B) Insulation process
(C) Free expansion process
(D) Throttle process
7. the method by
which the agonist doesn't receive or release heat to its surroundings during
expansion or compression is named .
(A) Isothermal process
(B) Hyperbolic process
(C) Insulation process
(D) Polytropic process
8. The ratio of the
precise heat at constant pressure (cp) to the precise heat at constant volume
(cv) is usually ___________.
(A) Equal
(B)Less than
(C)Greater than
(D) None of those
9. Select the right
statement consistent with Charles' law
(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. Closed cycle gas
turbines provide ___________ efficiency compared to open cycle gas turbines.
(A) Same
(B) Below
(C) higher
(D) None of those
11. consistent with Avogadro's law , if the gases are at an equivalent temperature and pressure, the density of any two gases is their relative molecular mass ___________.
(A) Equal
(B)Directly proportional to
(C) Inverse proportional
(D) None of those
12. Which of the
subsequent processes causes heat removal within the Carnot cycle?
(A) Isothermal expansion
(B) Isentropic development
(C) Isothermal compression
(D) Isentropic compression
13. A triatomic
molecule consists of a toilet atoms.
(A) One
(B) Two
(C) 3
(D) 4
14. Which of the
subsequent has rock bottom atomic weight?
(A) Oxygen
(B) Sulfur
(C) Nitrogen
(D) Carbon
15. The mass of
carbon per kg of flue gas is given by the subsequent formula.
(A) (11/3) CO2 + (3/7) CO
(B) (3/7) CO2 + (11/3) CO
(C) (7/3) CO2 + (3/11) CO
(D) (3/11) CO2 + (7/3) CO
16. When the system
changes its state from one equilibrium state to a different , the continual
state path that the system has taken
is understood as:
(A) Laws of thermodynamics
(B) Thermodynamic process
(C) Thermodynamic cycle
(D) None of those
17. When the gas is
cooled at a continuing pressure
(A) The temperature rises, but the quantity decreases.
(B) Volume increases, but temperature decreases
(C) Both temperature and volume increase
(D) Both temperature and volume
decrease
18. The Otto cycle
(A) 2 const. vol. & 2 isentropic
process.
(B) 2 const. pressure process & 2 isentropic process.
(C) Two constant volume processes and two isothermal processes
(D) 1 const. pressure, 1 const. vol., & 2 isentropic process.
19. The efficiency of
the turbine is given by the subsequent formula.
(A) (Network output) / (Work with turbine)
(B) (Network output) / (Heat supply)
(C) (Actual temperature decrease) / (Isentropic temperature decrease)
(D) (Isentropic temperature rise) / (Actual temperature rise)
20. Open cycle
turbine
(A) Carnot cycle
(B) Otto cycle
(C) Joule cycle
(D) Stirling cycle
21. If the worth of n
= 0 within the equation pvn = C, the method is known as?
(A) Volumetric process
(B) Insulation process
(C) Constant pressure process
(D) Isothermal process
22. The efficiency of
the Ericsson cycle is that the __________ Carnot cycle .
(A)Greater than
(B)Less than
(C) Equal
(D) None of those
23. The mass of
excess air supplied
(A) (23/100) x mass of excess carbon
(B) (23/100) x mass of excess oxygen
(C) (100/23) x mass of excess carbon
(D) (100/23) x mass of excess oxygen
24. The universal
universal gas constant (or molar constant) of gas is
(A) relative molecular mass and
universal gas constant of gas
(B) relative atomic mass and universal gas constant of gas
(C) relative molecular mass of gas and heat at constant pressure
(D) relative molecular mass of gas and heat at a continuing volume
25. The relative
molecular mass of all gases in NTP, expressed in grams (ie 1 g-mol), is
(A) 0.224 liters
(B) 2.24 liters
(C) 22.4 liters
(D) 224 liters
26. what's the quality value of air pressure stumped level?
(A) 1.013 bar
(B) 760 torr
(C) 1013 × 102 N / m2
(D) All of those
27. the method is adiabatic
if the worth of n within the equation pvn = C is:
(A) Zero
(B) One
(C) γ
(D) ∝
28. The polytropic
index (n) is given by the subsequent equation.
(A) Log (p1p2) / Log (v1v2)
(B) Log (p2 / p1) / Log (v1 / v2)
(C) Log (v1 / v2) / Log (p1 / p2)
(D) Log [(p1v1) / (p2v2)]
29. Which of the
subsequent gases is primarily used for street and residential lighting and
heating?
(A) air gas
(B) fuel
(C) Mond gas
(D) fuel
30. In an process
(A) Heat loss
(B) No heat loss
(C) Acquisition of warmth
(D) No increase in heat
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