THERMODYNAMICS MCQS

 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. Which one among the subsequent variables controls the physical properties of an ideal gas?

• (a) weight

• (b) temperature

• (c) volume

• (d) all of the above

• (e) atomic mass.

 

2. The unit of temperature in units of S.I.

• (a) Centigrade

• (b) Celsius

• (c) Fahrenheit

• (d) Kelvin

• (e) Rankine.

 

3. Which of the following laws applies to the conduct of perfect gas

• (a) Boyle's Law

• (b) Charles’law

• (c) Gay-Lussac Law

• (d) Joule's law.

• (e) all of the above

 

4. The unit of mass in S.I.

• (a) kilograms

• (b) gram

• (c) tons

• (d) quintal

5. The unit of length in units of S.I.

• (a) meters

• (b) centimeters

• (c) kilometers

• (d) millimeter.

 

6. The unit of time in units of S.I.

• (a) diog(second)

• (b) minutes

• (c) hours

• (d) days

• (e) year.

 

7. The unit of energy in S.I.

• (a) watts

• (b) joule

• (c) joule / s

• (d) joule / m

• (e) joule m.

 

8. According to Gay-Lussac's law for perfect gas, the total weight of mass supplied varies exactly as

• (a) temperature

• (b) total

• (c) overall temperature, if the measurement is kept constant

• (d) volume, if the temperature is kept constant

• (e) remain stable, if size and temperature are kept stable.

9. There is a common gas equation

• (a) PV = nRT

• (b) PV = mRT

• (d) PV = C.

• (c) PV = KiRT

• (e) Cp-Cv = Wj

 

10. Gas is excellent compared to real gas at high pressure

• (a) increased volume

• (b) smaller in size

• (c) the same book

• (d) unmeasurable behavior

• (e) no such correlation.

 

11. Which of the following may be considered a gas to enable the laws of gas to be used, within the most common temperature limits.

• (a) 02, N2, steam, C02

• (b) Oz, N2, water valve

• (c) S02, NH3, C02, humidity

• (d) 02, N2, H2, air

• (e) steam valves, H2, C02.

 

12. According to Dalton's law, full proof of the mixture of identical gases

• (a) greater of all partial weights

• (b) average weight of all

• (c) sum of part weights

• (d) sum of partial weight divided by average molecular weight

13. The unit of weight in S.I.

• (a) kg / cm2

• (b) mm of water column

• (c) pascal

• (d) gods per square cm

• (e) bars

 

14. Gas temperature is produced due

• (a) its heating value

• (b) molecular kinetic energy

• (c) reactivation of molecules

• (d) attraction of molecules

• (e) molecular surface compaction.

 

15. A closed system may be a system during which?

• (a) mass does not exceed the limits of the system, although energy may do so

• (b) beauty crosses the limit but not energy

• (c) mass or energy do not exceed the limits of the system

• (d) both energy and mass exceed the limits of the system

• (e) thermodynamic reactions occur.

 

16. According to the ethnic theory of gases, the total zero temperature is reached when a

• (a) the volume of the gas is zero

• (b) the weight of the gas is zero

• (c) the kinetic energy of molecules is zero

• (d) the specific heat of a gas is zero

17. The weight of a gas in terms of its average kinetic energy per unit of volume is E

• (a) E / 3

• (b) E / 2

• (c) 3E / 4

• (d) 2E / 3

• (e) 5E / 4.

 

18. The ethnographic theory of the gases assumes that the collisions are between the molecules

• (a) highly elastic

• (b) completely unstable

• (c) moderately elastic

• (d) relatively unstable

• (e) moderately elastic and unstable.

 

19. The K.E. of molecules in terms of total temperature (T) is proportional thereto

• (a) T.

• (b) j

• (c) J2

• (d) Vr

• (e) 1 / Vr.

 

20. Superheated vapor carries

• (a) just like gas

• (b) as steam

• (c) as conventional valves

• (d) around it as a gas

21. A liquid must not exist as a liquid at

• (a) - 273 ° K.

• (b) empty

• (c) zero weight

• (d) the center of the ground

• (e) in space.

 

22. Total zero pressure occurs

• (a) at sea level

• (b) in the middle of the bottom

• (c) when the momentum movement of the system becomes zero

• (d) under empty conditions

• (e) at a temperature of - 273 ° K.

 

23. The unit of power in S.I.

• (a) newton

• (b) pascal

• (c) erg

• (d) watt

• (e) joule.

 

24. An empty vacuum position, i.e., total zero weight can be reached at

• (a) temperature of  a - 273.16 ° C.

• (b) temperature 0 ° C.

• (c) temperature of a 273 ° K.

• (d) negative pressure and temperature 0 ° C.

25. The specific heat of air at a constant pressure is equal to

• (a) 0.17

• (b) 0.21

• (c) 0.24

• (d) 1.0

• (e) 1.41

 

26. Intense ownership is a system of one with value

• (a) depends on the mass of the system, such as size

• (b) is not dependent on the mass of the system, such as temperature, pressure, etc.

• (c) depends only on the path followed by the state

• (d) depends on the route taken and not on the state

• (e) remain stable.

 

27. A stable gas is a gas equivalent of

• (a) C / Cv

• (b) Cv / Cp

• (c) Cp - Cv

• (d) Cp + Cv

• (e) Cp x Cv

 

28. Gas behavior can be fully determined by

• (a) 1 law

• (b) 2 laws

• (c) 3 laws

• (d) 4 laws

29. Boyle's law i.e. pV = constant relative to sub gases

• (a) all weights

• (b) very little weight

• (c) high range of weights

• (d) constant change in weights

• (e) atmospheric conditions.

 

30. The ratio of two specific heats of air is equal to

• (a) 0.17

• (b) 0.24

• (c) 0.1

• (d) 1.41

• (e) 2.71.