Boot MCQ

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• The air cooling system that is used mostly in transport type aircraft is?
  ক

  Boot-strap air cooling system

  খ

  Simple air cooling system

  গ

  Simple evaporative cooling system

  ঘ

  Regenerative air cooling system
• Mass of air per tonne of refrigeration will be _____ in Boot-strap air cooling system than Boot-strap evaporative system.
  ক

  less

  খ

  more

  গ

  equal to

  ঘ

  can’t say
• What is the difference between Boot-strap air cooling system and Boot-strap evaporative cooling system?
  ক

  Boot strap evaporative system has an evaporator

  খ

  Boot strap evaporative system has two evaporators

  গ

  Boot-strap evaporator eliminates the need for evaporator

  ঘ

  Boot-strap evaporator system has three evaporators
• Which of the following is not a process in the T-s diagram of the Boot-strap air cooling system?
  ক

  Isentropic ramming

  খ

  Isentropic compression

  গ

  Cooling of ram air

  ঘ

  Isothermal expansion
• In Boot-strap air cooling system how many heat exchangers are there?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  0