Sail E0 Webinar

MCQs

Total Questions : 1058 | Page 6 of 106 pages
Question 51. Properties of substances like pressure, temperature and density, in thermodynamic coordinates are
  1.     Path functions
  2.     Point functions
  3.     Cyclic functions
  4.     Real functions
 Discuss Question
Answer: Option B. ->  Point functions
Question 52. Carnot cycle consists of
  1.     Two constant volume and two isentropic processes
  2.     Two isothermal and two isentropic processes
  3.     Two constant pressure and two isentropic processes
  4.     One constant volume, one constant pressure and two isentropic processes
 Discuss Question
Answer: Option B. ->  Two isothermal and two isentropic processes
Question 53. The same volume of all gases would represent their
  1.     Densities
  2.     Specific weights
  3.     Molecular weights
  4.     Gas characteristic constants
 Discuss Question
Answer: Option C. ->  Molecular weights
Question 54. If both stirling and carnot cycles operate within the same temperature limits, then efficiency of stirling cycle as compared to carnot cycle
  1.     More
  2.     Less
  3.     Equal
  4.     Depends on other factors
 Discuss Question
Answer: Option C. ->  Equal
Question 55. The entropy __________ in an irreversible cyclic process.
  1.     Remains constant
  2.     Decreases
  3.     Increases
  4.     None of these
 Discuss Question
Answer: Option C. ->  Increases
Question 56. The efficiency of diesel cycle approaches to otto cycle efficiency when
  1.     Cut-off is decreased
  2.     Cut-off is constant
  3.     Cut-off is increased
  4.     Cut-off is zero
 Discuss Question
Answer: Option B. ->  Cut-off is constant
Question 57. Kerosene is distilled at
  1.     65° to 220°C
  2.     220° to 345°C
  3.     345° to 470°C
  4.     470° to 550°C
 Discuss Question
Answer: Option B. ->  220° to 345°C
Question 58. The heat energy stored in the gas and used for raising the temperature of the gas is known as
  1.     External energy
  2.     Internal energy
  3.     Kinetic energy
  4.     Molecular energy
 Discuss Question
Answer: Option B. ->  Internal energy
Question 59. In an isothermal process, the internal energy
  1.     Increases
  2.     Decreases
  3.     Remain constant
  4.     First increases and then decreases
 Discuss Question
Answer: Option C. ->  Remain constant
Question 60. According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.
  1.     Remains constant
  2.     Increases
  3.     Decreases
  4.     None of these
 Discuss Question
Answer: Option B. ->  Increases

Latest Videos

Latest Test Papers