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

PS

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

Note

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Created on January 20, 2024 By Ace/Undergragra

MEE 205

1 / 40

1.

The thermodynamic process that occurs at constant temperature is known as

 

A. isothermal

B. adiabatic

C. isobaric

D. isochoric

2 / 40

2.

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

A. tension

B. volume

C. lenght

D. Area

3 / 40

3.

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

A. particle number

B. electric field

C. pressure

D. volume

4 / 40

4.

The equation PV= nRT is known as

 

A. ideal gas equation

B. Real gas equation

C. boyle's law equation

D. finite gas equation

5 / 40

5.

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

 

A. stefan-Boltzmann law

B. Newton's law of cooling

C. energy transfer law

D. Temperature law

6 / 40

6.

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

 

A. Einstein Equation

B. two thermodynamic potentials

C. None of the options

D. four thermodynamic potentials

7 / 40

7.

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

 

A. None of the options

B. Adiabatic bath

C. heat cover

D. heat bath

8 / 40

8.

The energy functions of thermodynamic systems is also known as

 

A. thermodynamic potentials

B. work function

C. thermodynamic function

D. functionals

9 / 40

9.

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

10 / 40

10.

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

A. matter conversion

B. phase cool

C. change enthalpy

D. phase transition

11 / 40

11.

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

A. equilibrium points

B. gas properties

C. Thermodynamic Coordinates

D. real gas coordinates

12 / 40

12.

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

A. Pressure

B. mechanical

C. standard

D. Thermal

13 / 40

13.

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

 

A. None of the options

B. Radiation

C. Convection

D. Conduction

14 / 40

14.

The thermodynamic properties of a system is categorized into

 

A. Extensive and Intensive

B. Real and ideal

C. Strong and Weak

D. Open and Closed

15 / 40

15.

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. Habitat System

D. Isolated System

16 / 40

16.

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. volume

B. system

C. energy

D. heat cover

17 / 40

17.

The work done in a system of magnets is equal to

A. magnetic field x magnetization

B. magnetic field x potential

C. particle number x magnetic field

D. magnetic field x polarization

18 / 40

18.

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

 

A. Steam

B. Stirling

C. Otto

D. Bio

19 / 40

19.

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

A. Carnot

B. Ferrous

C. Barnot

D. Tarnot

20 / 40

20.

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

A. isothermal

B. isobaric

C. isochoric

D. adiabatic

21 / 40

21.

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

A. Newton's

B. Kelvin's

C. celcius

D. carnot

22 / 40

22.

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

A. latent heat of vaporization

B. None of the options

C. Specific heat capacity

D. heat capacity

23 / 40

23.

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

A. connection

B. proportion

C. imbalance

D. balance

24 / 40

24.

All the reversible workdone on a system is called the

 

A. work function

B. thermal activity

C. entropy

D. Helmholtz function

25 / 40

25.

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

 

A. thermometric

B. powerful

C. Heat

D. Converter

26 / 40

26.

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

 

A. neutral work

B. positive work

C. negative work

D. None of these

27 / 40

27.

The thermodynamic process that occurs at constant volume is called

 

A. adiabatic

B. isothermal

C. isobaric

D. isochoric

28 / 40

28.

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

A. Fully Closed System

B. Partially Open System

C. Isolated System

D. Closed System

29 / 40

29.

The degree of disorderliness of a system is known as

A. isobaric

B. enthalpy

C. adiabatic

D. entropy

30 / 40

30.

The relationship between the thermodynamic variables is known as

 

A. None of the options

B. equation of state

C. free-air state

D. thermodynamic equation

31 / 40

31.

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

 

A. positive

B. neutral

C. negative

D. joule

32 / 40

32.

The expression for mechanical workdone by a system is

A. Pdm

B. PdV

C. KdV

D. Vdr

33 / 40

33.

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

 

A. Newton's law of cooling

B. None of the options

C. second law of thermodynamics

D. law of reversibility

34 / 40

34.

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

A. polarization

B. Tension

C. chemical potential

D. Volume

35 / 40

35.

The thermodynamic process that occurs at constant pressure is called

A. adiabatic

B. isochronic

C. isothermal

D. isobaric

36 / 40

36.

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

A. irreversible

B. isochronic

C. isothermal

D. reversible

37 / 40

37.

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

A. isobaric

B. isomatic

C. isochoric

D. adiabatic

38 / 40

38.

which of the following is not a thermodynamic property?

A. Temperature

B. Macroscope

C. Mass

D. Pressure

39 / 40

39.

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

A. Radiation

B. Conduction and Convection

C. Convection

D. Conduction

40 / 40

40.

Which of the following is not a phase of matter?

A. Solid

B. Entropy

C. Liquid

D. Plasma

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