Who coined the word energy in 1807

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Reference no: EM131046468

THERMODYNAMICS-MCQs

SET A

1. The term "thermodynamics" comes from Greek words "therme" and "dynamis" which means _______.

• A. Heat power

• B. Heat transfer

• C. Heat energy

• D. Heat motion

2. The term "thermodynamics" was first used in 1849 in the publication of a

• A. Rudolph Clausius

• B. William Rankine

• C. Lord Kelvin

• D. Thomas Savery

3. What law asserts that energy is a thermodynamic property?

• A. First law of Thermodynamics

• B. Second law of Thermodynamics

• C. Third law of Thermodynamics

• D. Zeroth law of Thermodynamics

4. What law asserts that energy has quality as well as quantity?

• A. First law of Thermodynamics

• B. Second law of Thermodynamics

• C. Third law of Thermodynamics

• D. Zeroth law of Thermodynamics

5. The macroscopic approach to the study of thermodynamics does not require a knowledge of the behavior of individual

particles is called _____.

• A. Dynamic thermodynamics

• B. Static thermodynamics

• C. Statistical thermodynamics

• D. Classical thermodynamics

6. What is the more elaborate approach to the study of thermodynamics and based on the average behavior of large groups of

individual particles?

• A. Dynamic thermodynamics

• B. Static thermodynamics

• C. Statistical thermodynamics

• D. Classical thermodynamics

7. What is defined a region in space chosen for study?

• A. Surroundings

• B. System

• C. Boundary

• D. Volume

8. The first law of thermodynamics is based on which of the following principles?

• A. Conservation of mass

• B. Conservation of energy

• C. Action and reaction

• D. The entropy-temperature relationship

9. What is the mass or region outside the system called?

• A. Surroundings

• B. Boundary

• C. Volume

• D. Environment

10. What is the real or imaginary surface that separates the system from its surroundings?

• A. Division

• B. Wall

• C. Boundary

• D. Interface

11. A system which consists of fixed amount of mass and no mass can cross its boundary called _____.

• A. Equilibrium system

• B. Thermal equilibrium system

• C. Open system

• D. Closed system

12. A system in which even energy is not allowed to cross the boundary is called ____.

• A. Closed system

• B. Exclusive system

• C. Isolated system

• D. Special system

13. A system in which there is a flow of mass is known as _____.

• A. Equilibrium system

• B. Isolated system

• C. Open system

• D. Closed system

14. Open system usually encloses which of the following devices?

• A. Compressor

• B. Turbine

• C. Nozzle

• D. All of the above

15. The boundaries of a control volume, which may either real or imaginary is called _____.

• A. Control boundary

• B. Control system

• C. Interface

• D. Control surface

16. Any characteristic of a thermodynamics system is called a _____.

• A. Property

• B. Process

• C. Phase

• D. Cycle

17. How are thermodynamic properties classified?

• A. Physical and chemical

• B. Intensive and extensive

• C. Real and imaginary

• D. Homogeneous and heterogeneous

18. The thermodynamic properties that are independent on the size of the system is called _____.

• A. Extensive property

• B. Intensive property

• C. Open property

• D. Closed property

19. The thermodynamic properties that are dependent on the size or extent of the system is called _____.

• A. Extensive property

• B. Intensive property

• C. Open property

• D. Closed property

20. Which is NOT an intensive property of thermodynamics?

• A. Temperature

• B. Mass

• C. Pressure

• D. Density

21. Which is NOT an extensive property of thermodynamics?

• A. Density

• B. Mass

• C. Volume

• D. Energy

22. Extensive properties per unit mass are called _____.

• A. Specific properties

• B. Relative properties

• C. Unit properties

• D. Phase properties

23. A system is in ______ equilibrium if the temperature is the same throughout the entire system.

• A. Static

• B. Thermal

• C. Mechanical

• D. Phase

24. A system is in ______ equilibrium if there is no change in pressure at any point of the system with time.

• A. Pressure

• B. Thermal

• C. Mechanical

• D. Phase

25. If a system involves two phases, it is in ______ equilibrium when the mass of each phase reaches an equilibrium level and

stays there.

• A. Chemical

• B. Thermal

• C. Mechanical

• D. Phase

26. A system is in ______ equilibrium of its chemical composition does not change with time, i.e., no chemical reaction occurs.

• A. Chemical

• B. Thermal

• C. Mechanical

• D. Phase

27. "The state of a simple compressible system is completely specified by two independent, intensive properties". This is

known as ______.

• A. Equilibrium postulate

• B. State postulate

• C. Environment postulate

• D. Compressible system postulate

28. What is the unit of the total energy of the system?

• A. Kj

• B. Kj/Kg

• C. Kg

• D. g

29. Without electrical, mechanical, gravitational, surface tension and motion effects, a system is called _____ system.

• A. Simple

• B. Simple compressible

• C. Compressible

• D. Independent

30. What refers to any change that a system undergoes from one equilibrium state to another equilibrium state?

• A. Process

• B. Path

• C. Phase

• D. Cycle

31. What refers to the series of state through which a system passes during a process?

• A. Path

• B. Phase

• C. Cycle

• D. Direction

32. How many independent properties are required to completely fix the equilibrium state of a pure gaseous compound?

• A. 4

• B. 3

• C. 2

• D. 1

33. What is a process in which the system remains infinitesimally closed to an equilibrium state at all times?

• A. Path equilibrium process

• B. Cycle equilibrium process

• C. Phase equilibrium process

• D. Quasi-state or quasi- equilibrium process

34. A closed system may refer to ______.

• A. Control mass

• B. Control volume

• C. Control energy

• D. Control temperature

35. An open system may refer to ______.

• A. Control mass

• B. Control volume

• C. Control energy

• D. Control temperature

36. A system is said to be in thermodynamic equilibrium if it maintains ______ equilibrium.

• A. Mechanical and phase

• B. Thermal and chemical

• C. Thermal, mechanical and chemical

• D. Thermal, phase, mechanical and chemical

37. What is a process with identical end states called?

• A. Cycle

• B. Path

• C. Phase

• D. Either path or phase

38. What is a process during which the temperature remains constant?

• A. Isobaric process

• B. Isothermal process

• C. Isochoric process

• D. Isometric process

39. What is a process during which the pressure remains constant?

• A. Isobaric process

• B. Isothermal process

• C. Isochoric process

• D. Isometric process

40. What is a process during which the specific volume remains constant?

• A. Isobaric process

• B. Isothermal process

• C. Isochoric or isometric process

• D. Isovolumetric process

41. The prefix "iso" used to designate a process means ______.

• A. Cannot be interchanged

• B. Remains constant

• C. Approximately equal

• D. Slight difference

42. What does the term "steady" implies?

• A. No change with volume

• B. No change with time

• C. No change with location

• D. No change with mass

43. What does the tem "uniform" implies?

• A. No change with volume

• B. No change with time

• C. No change with location

• D. No change with mass

44. What is defined as a process during which a fluid flows through a control volume steadily?

• A. Transient-flow process

• B. Steady and uniform process

• C. Uniform-flow process

• D. Steady-flow process

45. The sum of all the microscopic form of energy is called _____.

• A. Total energy

• B. Internal energy

• C. System energy

• D. Phase energy

46. What type of system energy is related to the molecular structure of a system?

• A. Macroscopic form of energy

• B. Microscopic form of energy

• C. Internal energy

• D. External energy

47. What form of energy refers to those a system possesses as a whole with respect to some outside reference frame, such as

potential and kinetic energies?

• A. Macroscopic form of energy

• B. Microscopic form of energy

• C. Internal energy

• D. External energy

48. Who coined the word "energy" in 1807?

• A. William Rankine

• B. Rudolph Clausius

• C. Lord Kelvin

• D. Thomas Young

49. The molecules of a gas moving through space with some velocity possesses what kind of energy?

• A. Translational energy

• B. Spin energy

• C. Rotational kinetic energy

• D. Sensible energy

50. The electrons in an atom which rotate about the nucleus possess what kind of energy?

• A. Translational energy

• B. Spin energy

• C. Rotational kinetic energy

• D. Sensible energy

Reference no: EM131046468

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