MCQs in Thermodynamics Part II

(Last Updated On: December 8, 2017)

MCQs in Thermodynamics Part 2

This is the Multiples Choice Questions Part 2 of the Series in Thermodynamics as one of the General Engineering and Applied Sciences (GEAS) topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including past Board Questions in General Engineering and Applied Sciences (GEAS) field.

Questions and Answers in Thermodynamics Series

Following is the list of multiple choice questions in this brand new series:

Thermodynamics MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V
PART 6: MCQs from Number 251 – 300                 Answer key: PART VI
PART 7: MCQs from Number 301 – 350                 Answer key: PART VII
PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII
PART 9: MCQs from Number 401 – 450                 Answer key: PART IX
PART 10: MCQs from Number 451 – 500                Answer key: PART X

Continue Practice Exam Test Questions Part II of the Series

Choose the letter of the best answer in each questions.

51. The electrons which spins about its axis will possess what kind of energy?

  • A. Translational energy
  • B. Spin energy
  • C. Rotational kinetic energy
  • D. Sensible energy

52. What refers to the portion of the internal energy of a system associated with the kinetic energies of the molecules?

  • A. Translational energy
  • B. Spin energy
  • C. Rotational kinetic energy
  • D. Sensible energy

53. What is the internal energy associated with the phase of a system called?

  • A. Chemical energy
  • B. Latent energy
  • C. Phase energy
  • D. Thermal energy

54. What is the internal energy associated with the atomic bonds in a molecule called?

  • A. Chemical energy
  • B. Latent energy
  • C. Phase energy
  • D. State energy

55. What is the extremely large amount of energy associated with the strong bonds within the nucleus of the atom itself called?

  • A. Chemical energy
  • B. Latent energy
  • C. Phase energy
  • D. Nuclear energy

56. What are the only two forms of energy interactions associated with a closed system?

  • A. Kinetic energy and heat
  • B. Heat transfer and work
  • C. Thermal energy and chemical energy
  • D. Latent energy and thermal energy

57. What states that if two bodies are in thermal equilibrium with a third body, they are also in equilibrium with each other?

  • A. Zeroth law of thermodynamics
  • B. First law of thermodynamics
  • C. Second law of thermodynamics
  • D. Third law of thermodynamics

58. Who formulated the zeroth law of thermodynamics in 1931?

  • A. A. Celsuis
  • B. A. Einstein
  • C. R.H. Fowler
  • D. G. Fahrenheit

59. What is the thermodynamic temperature scale in the SI system?

  • A. Kelvin scale
  • B. Celsius scale
  • C. Fahrenheit scale
  • D. Rankine scale

60. What is the thermodynamic temperature scale in the English system?

  • A. Kelvin scale
  • B. Celsius scale
  • C. Fahrenheit scale
  • D. Rankine scale

61. What temperature scale is identical to the Kelvin scale?

  • A. Ideal gas temperature scale
  • B. Ideal temperature scale
  • C. Absolute gas temperature scale
  • D. Triple point temperature scale

62. The temperatures of the ideal gas temperature scale are measured by using a ______.

  • A. Constant-volume gas thermometer
  • B. Constant-mass gas thermometer
  • C. Constant-temperature gas thermometer
  • D. Constant-pressure gas thermometer

63. What refers to the strong repulsion between the positively charged nuclei which makes fusion reaction difficult to attain?

  • A. Atomic repulsion
  • B. Nuclear repulsion
  • C. Coulomb repulsion
  • D. Charge repulsion

64. What gas thermometer is based on the principle that at low pressure, the temperature of a gas is proportional to its pressure at constant volume?

  • A. Constant-pressure gas thermometer
  • B. Isobaric gas thermometer
  • C. Isometric gas thermometer
  • D. Constant-volume gas thermometer

65. What is the state at which all three phases of water coexist in equilibrium?

  • A. Tripoint of water
  • B. Triple point of water
  • C. Triple phase point of water
  • D. Phase point of water

66. What is defined as the force per unit area?

  • A. Pressure
  • B. Energy
  • C. Work
  • D. Power

67. The unit “pascal” is equivalent to ______.

  • A. N/m^2
  • B. N/m
  • C. N-m
  • D. N-m^2

68. Which of the following is NOT a value of the standard atmospheric pressure?

  • A. 1 bar
  • B. 1 atm
  • C. 1 kgf/cm^2
  • D. 14.223 psi

69. What is the SI unit of pressure?

  • A. Atm
  • B. Bar
  • C. Pa
  • D. Psi

70. 1 bar is equivalent to how many pascals?

  • A. 10^3
  • B. 10^4
  • C. 10^5
  • D. 10^6

71. 1 atm is equivalent to how many pascals?

  • A. 101,325
  • B. 101,689
  • C. 101,102
  • D. 101,812

72. What is considered as the actual pressure at a given position and is measured relative to absolute vacuum?

  • A. Gage pressure
  • B. Absolute pressure
  • C. Atmospheric pressure
  • D. Vacuum pressure

73. What is the pressure below atmospheric pressure called?

  • A. Gage pressure
  • B. Absolute pressure
  • C. Atmospheric pressure
  • D. Vacuum pressure

74. The difference between the absolute pressure and the atmospheric pressure is called the _____ pressure.

  • A. Gage
  • B. Normal
  • C. Standard
  • D. Vacuum

75. Which of the following is NOT an instrument used to measure pressure?

  • A. Bourdon tube
  • B. Pitot tube
  • C. Aneroid
  • D. Manometer

76. What instrument is used to measure atmospheric pressure?

  • A. Pitot tube
  • B. Wind vane
  • C. Barometer
  • D. Manometer

77. Another unit used to measure atmospheric pressure is the “torr”. This is named after the Italian physicist, Evangelista Torrecelli. An average atmospheric pressure is how many torr?

  • A. 740
  • B. 750
  • C. 760
  • D. 770

78. What states that for a confined fluid, the pressure at a point has the same magnitude in all directions?

  • A. Avogadro’s Law
  • B. Amagat Law
  • C. Pascal’s Law
  • D. Bernoulli’s Theorem

79. What pressure measuring device consists of a coiled hollow tube that tends to straighten out when the tube is subjected to an internal pressure?

  • A. Aneroid
  • B. Manometer
  • C. Bourdon pressure gage
  • D. Barometer

80. What is an energy that can be transferred from one object to another causing a change in temperature of each object?

  • A. Power
  • B. Heat transfer
  • C. Heat
  • D. Work

81. What is the SI unit of energy?

  • A. Newton
  • B. Btu
  • C. Calorie
  • D. Joule

82. One joule is equivalent to one _____.

  • A. Kg ∙ m/ s^2
  • B. Kg ∙ m^2/s^2
  • C. Kg ∙ m^2/s
  • D. Kg ∙ m/s

83. One calorie is equivalent to how many joules?

  • A. 4.448
  • B. 4.184
  • C. 4.418
  • D. 4.814

84. One erg is equivalent to how many joules?

  • A. 10^-8
  • B. 10^-7
  • C. 10^-6
  • D. 10^-5

85. The first law of thermodynamics is the:

  • A. Law of conservation of momentum
  • B. Law of conservation of mass
  • C. Law of conservation of power
  • D. Law of conservation of energy

86. What is the study of energy and its transformations?

  • A. Thermostatics
  • B. Thermophysics
  • C. Thermochemistry
  • D. Thermodynamics

87. What is considered as the heat content of a system?

  • A. Enthalpy
  • B. Entropy
  • C. Internal heat
  • D. Molar heat

88. What refers to the amount of heat needed to raise the temperature of an object by one degree Celsius or 1K?

  • A. Heat capacity
  • B. Specific heat
  • C. Latent heat
  • D. Molar heat

89. What is the heat capacity of one mole of substance?

  • A. Molecular heat
  • B. Specific heat
  • C. Latent heat
  • D. Molar heat

90. What is the heat capacity of one gram of a substance?

  • A. Molecular heat
  • B. Specific heat
  • C. Latent heat
  • D. Molar heat

91. “The enthalpy change for any chemical reaction is independent of the intermediate stages, provided the initial and final conditions are the same for each route.” This statement is known as:

  • A. Dulong’s Law
  • B. Dalton’s Law
  • C. Hess’s Law
  • D. Petit Law

92. What refers to the measure of the disorder present in a given substance or system?

  • A. Enthalpy
  • B. Entropy
  • C. Heat capacity
  • D. Molar heat

93. Entropy is measured in ______.

  • A. Joule/Kelvin
  • B. Joule-Meter/Kelvin
  • C. Meter/Kelvin
  • D. Newton/Kelvin

94. What is the energy absorbed during chemical reaction under constant volume conditions?

  • A. Entropy
  • B. Ion exchange
  • C. Enthalpy
  • D. Enthalpy of reaction

95. When water exists in the liquid phase and is not about to vaporize, it is considered as _____liquid.

  • A. Saturated
  • B. Compressed or subcooled
  • C. Superheated
  • D. Unsaturated

96. A liquid that is about to vaporize is called ______ liquid.

  • A. Saturated
  • B. Compressed or subcooled
  • C. Superheated
  • D. Unsaturated

97. A vapor that is about to condense is called ______ vapor.

  • A. Saturated
  • B. Compressed or subcooled
  • C. Superheated
  • D. Unsaturated

98. A vapor that is not about to condense is called _____ vapor.

  • A. Saturated
  • B. Compressed or subcooled
  • C. Superheated
  • D. Unsaturated

99. A substance that has a fixed chemical composition is known as ______ substance.

  • A. Monoatomic
  • B. Heterogeneous
  • C. Homogeneous
  • D. Pure

100. What refers to the temperature at which a pure substance changes phase at a given pressure?

  • A. Equilibrium temperature
  • B. Saturation temperature
  • C. Superheated temperature
  • D. Subcooled temperature

Complete List of MCQs in General Engineering and Applied Science per topic

MCQs in Thermodynamics Part II
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