MEE 205 CBT Practice Test (Thermodynamics)

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Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace MEE 205 exam

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MEE 205

1 / 40

1.

The expression for mechanical workdone by a system is

A. Vdr

B. PdV

C. Pdm

D. KdV

2 / 40

2.

The thermodynamic properties of a system is categorized into

 

A. Real and ideal

B. Open and Closed

C. Strong and Weak

D. Extensive and Intensive

3 / 40

3.

A thermodynamic process in which there is no heat transfer into or out of the system is called

A. isobaric

B. isomatic

C. adiabatic

D. isochoric

4 / 40

4.

When work is being performed on a system it is said to be a

 

A. neutral work

B. negative work

C. positive work

D. None of these

5 / 40

5.

The silvered walls of a vacuum flask minimise loss of heat due to

A. Convection

B. Conduction

C. Radiation

D. Conduction and Convection

6 / 40

6.

When work is being performed by a system it is said to be a

 

A. neutral

B. joule

C. negative

D. positive

7 / 40

7.

The energy functions of thermodynamic systems is also known as

 

A. work function

B. thermodynamic potentials

C. functionals

D. thermodynamic function

8 / 40

8.

The rate of energy loss per second that is proportional to the temperature difference between the object and its surroundings is known as

 

A. Newton's law of cooling

B. Temperature law

C. stefan-Boltzmann law

D. energy transfer law

9 / 40

9.

The entropy of a system never decreases, which law says this?

 

A. None of the options

B. law of reversibility

C. Newton's law of cooling

D. second law of thermodynamics

10 / 40

10.

The entropy always remains constant for a ----------------- process that occurs in a closed system

A. reversible

B. irreversible

C. isochronic

D. isothermal

11 / 40

11.

The degree of disorderliness of a system is known as

A. adiabatic

B. entropy

C. isobaric

D. enthalpy

12 / 40

12.

All the reversible workdone on a system is called the

 

A. entropy

B. thermal activity

C. Helmholtz function

D. work function

13 / 40

13.

When there is no transfer of matter from one part of a system to another due to diffussion, the system is said to be in

A. material equilibrium

B. chemical equilibrium

C. thermal equilibrium

D. physical equilibrium

14 / 40

14.

The --------------- is the transformation of a thermodynamic system from one state of matter to another

A. phase cool

B. matter conversion

C. phase transition

D. change enthalpy

15 / 40

15.

A system that its boundary allows transfer of mass and energy into or out of the system is know as

A. Isolated System

B. Habitat System

C. Closed System

D. Open System

16 / 40

16.

which of the following is not a thermodynamic process

 

A. isomatic

B. isobaric

C. isochronic

D. Adiabatic

17 / 40

17.

The most efficient heat engine is known as ----------------- engine

A. Barnot

B. Tarnot

C. Ferrous

D. Carnot

18 / 40

18.

The ------------------ are used to characterise the state of a system

A. Thermodynamic Coordinates

B. gas properties

C. equilibrium points

D. real gas coordinates

19 / 40

19.

-------------- engine is a device used to convert thermal energy into mechanical work

 

A. Converter

B. powerful

C. Heat

D. thermometric

20 / 40

20.

The equations which express the internal energy of a system as a function of the variables defining the state of the system is the ----------------- equation

A. system

B. energy

C. volume

D. heat cover

21 / 40

21.

When an adiabatic work is done on or by a system the change in internal energy is equal to the -------------------- workdone

A. isochoric

B. isobaric

C. isothermal

D. adiabatic

22 / 40

22.

All the four maxwell's relations are derived from each of the

 

A. Einstein Equation

B. None of the options

C. two thermodynamic potentials

D. four thermodynamic potentials

23 / 40

23.

The ratio of radiant energy emitted by an object to the one it would have emitted if it were to be a perfect blackbody is known as

A. photoelectric effect

B. emissivity

C. radiativity

D. conductivity

24 / 40

24.

The heat required to raise the temperature of the body through 1K is called

A. heat capacity

B. None of the options

C. Specific heat capacity

D. latent heat of vaporization

25 / 40

25.

The equation PV= nRT is known as

 

A. finite gas equation

B. boyle's law equation

C. Real gas equation

D. ideal gas equation

26 / 40

26.

The thermodynamic process that occurs at constant volume is called

 

A. isothermal

B. adiabatic

C. isobaric

D. isochoric

27 / 40

27.

Which of the following is not a phase of matter?

A. Solid

B. Entropy

C. Liquid

D. Plasma

28 / 40

28.

Which of the following does not need a medium for heat transfer

 

A. Radiation

B. Conduction

C. None of the options

D. Convection

29 / 40

29.

A body that is so large that its temperature does not change appreciably when heat flows in or out of it is called

 

A. heat cover

B. None of the options

C. Adiabatic bath

D. heat bath

30 / 40

30.

The workdone in a system of chemical reaction is a product of chemical potential and

A. electric field

B. volume

C. pressure

D. particle number

31 / 40

31.

A process that is carried out in such a way that at every instant there is finite departure of the system from an equlibrium state is known as

A. infinite

B. non-quasi static

C. quasi-static

D. finite

32 / 40

32.

A system that allows the exchange of energy alone between the system and its surrounding is known as

A. Open System

B. Isolated System

C. Closed System

D. Habitat

33 / 40

33.

A system is said to be in thermodynamic equilibrium with its surrounding if and only if the system is in --------------- equilibrium

A. mechanical

B. Pressure

C. standard

D. Thermal

34 / 40

34.

which of the following is not a thermodynamic property?

A. Pressure

B. Temperature

C. Macroscope

D. Mass

35 / 40

35.

A series of processes in which after certain interchanges of heat and work the system is restored to its initial state is known as

 

A. cyclic

B. reversible

C. quasi-static

D. caric process

36 / 40

36.

The workdone in a system of dielectric is the product of electric field and

A. Tension

B. Volume

C. chemical potential

D. polarization

37 / 40

37.

The ---------------- Cycle consists of two adiabatic processes and two constant volume processes

 

A. Otto

B. Steam

C. Stirling

D. Bio

38 / 40

38.

The work done in a system of magnets is equal to

A. magnetic field x magnetization

B. magnetic field x polarization

C. magnetic field x potential

D. particle number x magnetic field

39 / 40

39.

The relationship between the thermodynamic variables is known as

 

A. free-air state

B. equation of state

C. thermodynamic equation

D. None of the options

40 / 40

40.

No process is possible whose sole results is to the complete conversion of heat into work' is known as------------------- Statement.

A. Kelvin's

B. carnot

C. celcius

D. Newton's

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