Availability-1 MCQ

Test your knowledge with important Availability-1 MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Availability-1 MCQs at Bissoy

• A control mass gives out 10 kJ of energy in the form of heat transfer at 500°C. Find the change in availability of the control mass.
  ক

  −4.14 kJ

  খ

  −5.14 kJ

  গ

  −6.14 kJ

  ঘ

  −7.14 kJ
• Find the availability when 100 kW is delivered at 500 K when the ambient temperature is 300 K.
  ক

  20 kW

  খ

  30 kW

  গ

  40 kW

  ঘ

  50 kW
• If the process is irreversible, the useful work is less than the maximum.
  ক

  true

  খ

  false
• Gibbs function G is given by
  ক

  G=H-TS

  খ

  G=U+pV-TS

  গ

  both of the mentioned

  ঘ

  none of the mentioned
• The Helmholtz function F is given by
  ক

  U-TS

  খ

  U+TS

  গ

  -U-TS

  ঘ

  -U+TS
• Which of the following is true for an internal combustion engine?
  ক

  the reactants are in pressure and temperature equilibrium with the surroundings

  খ

  the products are in pressure and temperature equilibrium with the surroundings

  গ

  both of the mentioned

  ঘ

  none of the mentioned
• Availability function for a steady flow system is given by
  ক

  H+TS+(m*V*V/2)+(m*g*z)

  খ

  H-TS+(m*V*V/2)+(m*g*z)

  গ

  H-TS-(m*V*V/2)-(m*g*z)

  ঘ

  H-TS-(m*V*V/2)+(m*g*z)
• Availability is a composite property.
  ক

  true

  খ

  false
• The availability(A) of a given system is defined as the ____ work that is obtainable in a process in which system comes to equilibrium with its surroundings.
  ক

  useful work

  খ

  maximum useful work

  গ

  minimum useful work

  ঘ

  none of the mentioned
• When we obtain useful work during a process in which a finite system undergoes a change of state, when should that process terminate?
  ক

  when the pressure of system equals the pressure of surroundings

  খ

  when the temperature of system equals the temperature of surroundings

  গ

  when the system has reached the dead state

  ঘ

  all of the mentioned