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 process of heat exchange in
which the product of pressure and size is constant is called
• (a) heat
exchange process
• (b) thrush
process
• (c)
isentropic process
• (d)
adiabatic process
•
(e) hyperbolic process.
2. There is a change in the enthalpy
system of the heat supplied by
•
(a) constant pressure
• (b)
constant temperature
• (c)
constant volume
• (d) stable
entropy
• (e) N.T.P.
situation.
3. Laugh Zeroth of thermodynamics
• (a)
addressing mass and energy change
• (b)
addressing the reversal and inconsistency of the process
•
(c)
• (d) dealing
with heat engines
4. In an isothermal process, the energy
inside gas molecules
• (a)
increasing
• (b)
decreasing
•
(c) remain stable
• (d) can
increase/decrease according to gas properties
5. If a measure of dry ice is mixed
with the same amount of water at 80 ° C, the final temperature
of mixing will be
• (a) 80 ° C.
•
(b) 0 ° C.
• (c) 40 ° C.
• (d) 20 ° C.
• (e) 60 ° C.
6. One stick is equal to
•
(a) 1 Nm / s
• (b) 1 N /
mt
• (c) 1 Nm /
hr
• (d) 1 kNm /
hr
• (e) 1 kNm /
mt.
7. The work performed is zero for the
following process
• (a)
constant volume
• (b) free
extension
• (c) thrush
•
(d) all of the above
• (e) None of
the above.
8. The basis for measuring
thermodynamic properties of temperature is provided by
•
(a) zeroth law of thermodynamics
• (b) the
first law of thermodynamics
• (c) second
law of thermodynamics
• (d) third
law of thermodynamics
9. During a reversible inert process that p = (- 3V + 15) x 105N / m2, V varies from 1 m to 2 m3. The work that has been done is going to be about
• (a) 100 joules
xlOO5
• (b) joules
lxlO5
•
(c) 10 joules xlO5
• (d) joules
10 xlO5 kilo
• (e)
10xl04ki \ o joules.
10. For the following products, the
gas laws may be used with the least error
• (a) dry
steam
• (b) wet
steam
• (c)
saturated steam
•
(d) steam overheated
• (e) steam
at atmospheric pressure.
11. By volume, air contains parts of
oxygen
•
(a) 21
• (b) 23
• (c) 25
• (d) 77
12. The merchandise value of relative molecular mass and therefore the stable gas characteristic for all gases in the M.K.S. unit is
• (a) 29.27
kgfm / mol ° K.
• (b)
8314kgfm / mol ° K.
•
(c) 848kgfm / mol ° K.
• (d) 427kgfm
/ mol ° K.
13.
• (a)
specific heat at constant pressure
• (b) special
heat at a constant size
• (c) two specific heat ratios
•
(d) stable gas
• (e) unity.
14. For which of the following
materials, the internal energy and enthalpy operate by temperature
only
• (a) any gas
• (b)
saturated steam
• (c) water
•
(d) perfect stem
• (e) steam
too hot.
15. In the free extension process
• (a) the
operation is zero
• (b) heat
transfer is zero
•
(c) both (a) and (b) above
• (d) the
work is done zero but the heat is rising
• (e) the
work is done at zero but the heat decreases.
16. The value of the molecular weight
product and the stable gas type for all gases in S.I.
• (a) 29.27 J
/ k mol °
•
(b) 83.14J / k mol ° K.
• (c) 848J /
k mol ° K.
• (d) All J /
k mol °
17. If gas is allowed to expand
through a very minute opening, it is called such a process
• (a) free
extension
• (b)
hyperbolic enlargement
• (c)
adiabatic dilation
• (d)
parabolic extension
•
(e) thrush. (throttling)
18. If a liquid suddenly expands empty
through a large-sized orifice, such a process is called
•
(a) free extension
• (b)
hyperbolic enlargement
• (c)
adiabatic dilation
• (d)
parabolic extension
19.
•
(a) temperature
• (b) weight
• (c) both
pressure and temperature
• (d) change
in MPs
• (e) airflow
20. Which of the following processes
can be thermodynamically modified
• (a) thrush
• (b) free
extension
• (c)
constant volume and constant pressure
• (d) hyperbolic
and p V = C.
•
(e) isothermal and adiabatic.
21. For a circle to reverse, it must be satisfied
• (a) anti-fracture tension shouldn't be extended / tightened
• (b) when heat is included, the temperature of the recent source and therefore the working pressure should be an equivalent
• (c) when a blow is rejected, the temperature of the cold source and dealing pressure should be at an equivalent level
• (d) all of the above
• (e) None of the above.
22. Which of the subsequent processes is an immutable process
• (a) isothermal
• (b) adiabatic
• (c) thrush
• (d) all of the above
23. For a thermodynamic process to be reversed, the temperature difference between a hot body and a working material should be
• (a) neoni(zero)
• (b) lowest
• (d) highest
• (d) Infinity
24. Minimum operation during a compressor is feasible when the adiabatic index value n is adequate to
• (a) 0.75
• (b) 1
• (c) 1.27
• (d) 1.35
25. Gas is compressed during a cylinder with a moving piston to a volume of half its original volume. During the method, 300 kJ of warmth left the gas and internal energy remained an equivalent. The work on gas is going to be in Nm
• (a) 300 Nm
• (b) 300,000 Nm
• (c) 30 Nm
• (d) 3000 Nm
• (e) 30,000 Nm.
26. The molecular size of an ideal gas is going to be 600 x 103 N / m2 and 27 ° C.
• (a) 4.17m3 / kg mol
• (b) mol 400 m3 / kg
• (c) 0.15 m3 / kg mol
• (d) 41.7 m3 / kg mol
27. the foremost effective thanks to increasing the efficiency of a Carnot engine
• (a) higher temperature rise
• (b) higher temperature reductions
• (c) lower temperature rise
• (d) lower temperature drop
28. For a reversible natural process, there's a change in entropy
• (a) highest
• (b) lowest
• (c) none(zero)
• (d) invisible
• (e) negative
29. Change of entropy depends
• (a) heat transfer
• (b) large movement
• (c) natural process
• (d) thermodynamic state
• (e) change in weight and size.
30. An isochoric process is one during which
• (a) Free Extensions happen
• (b) little or no mechanical work done by the system
• (c) the system isn't mechanically performing
• (d) all parameters remain constant
• (e) mass and energy transfer don't occur.
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