thermodynamics objective questions gate pdf




     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 of the subsequent laws applies to ideal gas behavior?

a)      Charles' law

b)      Boyle's law

c)       Gas-Lussac's Law

d)      All of those

 

2. The trajectories of the quality liquid line and therefore the standard steam pipe intersect at-

a)      boiling point

b)      juncture

c)       Ice point

d)      Triple point

 

3. consistent with the kinetic theory of gases of gas, temperature is achieved within the following cases.

a)      The K.E. of the molecule is zero

b)      pressure is zero

c)       the quantity of gas is zero

d)      the precise heat of the gas is zero

 

4. The ratio of thermal efficiency to air standard efficiency shown is called:

a)      Overall efficiency

b)      Mechanical efficiency

c)       Relative efficiency

d)      Volumetric efficiency

 

5. S.I. unit The unit of temperature of the system is

a)      Celsius

b)      Celsius

c)       Fahrenheit

d)      Kelvin

 

 

6. Means N.T.P.-

a)      Normal temperature and pressure

b)      Natural temperature and pressure

c)       Nominal temperature and pressure

d)      Normal thermodynamic pressure

 

7. Which of the subsequent applies to steady-state systems?

a)      Mass does not  enter or leave system.

b)      The inflowing mass could also be greater or but the outflowing mass.

c)       Mass inflow = Mass withdrawal

d)      Any of the mentioned

 

8. Which of the subsequent doesn't change during a steady-state system?

a)      Volume

b)      mass

c)       Both mentioned

 

9. The closed system availability function is given by:

a)      U-pV-TS

b)      U + pV-TS

c)       U-pV + TS

d)      U + pV + TS

 

10. When the system is in equilibrium with its surroundings, it is

a)      Pressure equilibrium

b)      Temperature equilibrium

c)       equilibrium

d)      all of the above

 

 

11. All voluntary processes end dead.

a)      True

b)      False

 

12. If the method is irreversible, there's less useful work than the utmost .

a)      True

b)      False

 

13. Thermodynamically efficient processes include ____ exergy loss and military entropy generation rate.

a)      Maximum, maximum

b)      Minimum, minimum

c)       Minimum Maximum

d)      Maximum minimum

 

14. A multi-phase system is understood as:

a)      Open system

b)      Quarantine system

c)       Heterogeneous system

d)      Closed system

 

15. A process or system that doesn't involve heat is named

a)      Equilibrium process

b)      Insulation process

c)       Isothermal process

d)      Stable process

 

16. the interior energy of matter

a)      pressure

b)      Volume

c)       temperature

d)      speed

 

17. During the throttle process

a)      Entropy doesn't change

b)      Enthalpy doesn't change

c)       Internal energy doesn't change

d)      Pressure doesn't change

 

18. turbine

a)      Rankine cycle

b)      Carnot cycle

c)       Brayton cycle

d)      Ericsson cycle

 

19. the method that follows the equation pvn = constant is called:

a)      Polytropic process

b)      Insulation process

c)       Consistency process

d)      Constant pressure process

 

20. The solubility of a gas during a low-concentration liquid is expressed by the subsequent formula.

a)      Claperyon equation

b)      Roults' Law

c)       Joule equation

d)      Henry's law

 

21. When heat is applied to the gas at a continuing pressure,

a)      Raise the temperature

b)      Raise that pressure

c)       happen the quantity

d)      Raise the temperature and do outside work

 

22. How does the refrigerator work?

a)      Transfer heat from the refrigerator to the space

b)      Blow cold air into the refrigerator

c)       Use convection cell

d)      Generates cold air

 

23. Carbonization of coal

a)      Dry the coal into a fine powder

b)      Molding finely ground coal struggling with or without binder

c)       Heats wood to temperatures above 280 ° C with a limited supply of air

d)      none of the above

 

24. temperature are often achieved at the subsequent temperatures

a)      0 ° C

b)      -273 ° C

c)       273 K

d)      None

 

25. How may be a solid different from a liquid?

a)      Particles during a solid move around freely with one another .

b)      Particles during a solid haven't any movement.

c)       The particles within the solid vibrate on the spot.

d)      Solid particles move quite liquids

 

26. What happens to the particles once they are heated?

a)      They speed up and spread

b)      They hamper and compress

c)       They stop moving

d)      They meet up with to every other and speed up

 

27. Which of the subsequent has the very best calorific value?

a)      Anthracite

b)      soft coal

c)       peat

d)      lignite

 

28. Which of the subsequent gases has the very best calorific value?

a)      Coal gas

b)      air gas

c)       Mond gas

d)      furnace gas

 

29. Which of the subsequent isn't the conductor?

a)      Oven mitten

b)      hair iron

c)       Iron frypan

d)      Copper tube

 

30. Ice and water mixture Form A

a)      Closed system

b)      Open system

c)       Quarantine system

d)      Heterogeneous system


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