MEE 205 CBT Practice Test (Thermodynamics)

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

PS

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

• Do not be in a hurry to answer the questions
• Do not waste time on a question you don’t know
• Move as fast as possible and starting with questions that don’t have calculation first to save time
• Always crosscheck
• Don’t be in a hurry to submit, you are not in a competition
• Don’t be scared. Getting an A is easy
• Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

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70 – 100 A

60 – 69 B

50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

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Created on January 20, 2024 By Ace/Undergragra

MEE 205

1 / 40

1.

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. emissivity

B. conductivity

C. photoelectric effect

D. radiativity

2 / 40

2.

The thermodynamic process that occurs at constant volume is called

 

A. isothermal

B. isochoric

C. isobaric

D. adiabatic

3 / 40

3.

The thermodynamic properties of a system is categorized into

 

A. Strong and Weak

B. Extensive and Intensive

C. Real and ideal

D. Open and Closed

4 / 40

4.

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

 

A. None of the options

B. Radiation

C. Conduction

D. Convection

5 / 40

5.

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

A. phase cool

B. phase transition

C. change enthalpy

D. matter conversion

6 / 40

6.

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

A. Habitat

B. Closed System

C. Open System

D. Isolated System

7 / 40

7.

The work done in a system of wires is equal to

A. power x distance

B. Tension X Length

C. None of the options

D. thickness x power

8 / 40

8.

All the reversible workdone on a system is called the

 

A. work function

B. entropy

C. Helmholtz function

D. thermal activity

9 / 40

9.

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

A. adiabatic

B. isothermal

C. isochoric

D. isobaric

10 / 40

10.

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

A. Volume

B. polarization

C. chemical potential

D. Tension

11 / 40

11.

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

 

A. four thermodynamic potentials

B. two thermodynamic potentials

C. Einstein Equation

D. None of the options

12 / 40

12.

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. quasi-static

B. cyclic

C. caric process

D. reversible

13 / 40

13.

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

A. Kelvin's

B. Newton's

C. celcius

D. carnot

14 / 40

14.

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

A. volume

B. particle number

C. electric field

D. pressure

15 / 40

15.

Which of the following is not a thermodynamic potential

 

A. enthalpy

B. Helmholtz free energy

C. internal work

D. entropy

16 / 40

16.

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

A. Thermodynamic Coordinates

B. gas properties

C. real gas coordinates

D. equilibrium points

17 / 40

17.

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

A. Open System

B. Closed System

C. Isolated System

D. Habitat System

18 / 40

18.

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. heat cover

C. energy

D. volume

19 / 40

19.

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

A. isobaric

B. adiabatic

C. isochoric

D. isomatic

20 / 40

20.

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

A. standard

B. Pressure

C. Thermal

D. mechanical

21 / 40

21.

The workdone in a system of fluids is the product of pressure and

A. tension

B. volume

C. Area

D. lenght

22 / 40

22.

The thermodynamic process that occurs at constant pressure is called

A. adiabatic

B. isochronic

C. isobaric

D. isothermal

23 / 40

23.

Which of the following is not a phase of matter?

A. Plasma

B. Solid

C. Liquid

D. Entropy

24 / 40

24.

A system attains mechanical equilibrium with its surrounding when there is no ------------------ in the netforce at the interior of the system

A. imbalance

B. proportion

C. balance

D. connection

25 / 40

25.

A system that its boundary allows neither the transfer of mass and energy into or out of the system is know as

A. Isolated System

B. Partially Open System

C. Fully Closed System

D. Closed System

26 / 40

26.

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

A. reversible

B. isothermal

C. isochronic

D. irreversible

27 / 40

27.

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

 

A. negative work

B. neutral work

C. None of these

D. positive work

28 / 40

28.

A process whose direction can be reversed by an infinitesimal change in properties of the system is called

A. quasi-static

B. adiabatic

C. Cyclic

D. Reversible

29 / 40

29.

which of the following is not a thermodynamic property?

A. Mass

B. Temperature

C. Pressure

D. Macroscope

30 / 40

30.

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. finite

B. infinite

C. non-quasi static

D. quasi-static

31 / 40

31.

The equation PV= nRT is known as

 

A. finite gas equation

B. ideal gas equation

C. boyle's law equation

D. Real gas equation

32 / 40

32.

which of the following is not a thermodynamic process

 

A. isomatic

B. isobaric

C. Adiabatic

D. isochronic

33 / 40

33.

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. physical equilibrium

B. chemical equilibrium

C. material equilibrium

D. thermal equilibrium

34 / 40

34.

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

A. latent heat of vaporization

B. Specific heat capacity

C. None of the options

D. heat capacity

35 / 40

35.

The thermodynamic process that occurs at constant temperature is known as

 

A. isobaric

B. isothermal

C. isochoric

D. adiabatic

36 / 40

36.

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

A. Conduction and Convection

B. Radiation

C. Convection

D. Conduction

37 / 40

37.

The degree of disorderliness of a system is known as

A. enthalpy

B. isobaric

C. entropy

D. adiabatic

38 / 40

38.

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

 

A. Stirling

B. Bio

C. Otto

D. Steam

39 / 40

39.

1/K is the unit of

A. compressibility

B. Pressure

C. expansivity

D. temperature

40 / 40

40.

The work done in a system of magnets is equal to

A. magnetic field x polarization

B. magnetic field x potential

C. magnetic field x magnetization

D. particle number x magnetic field

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