Condensers in Refrigeration MCQ

Test your knowledge with important Condensers in Refrigeration MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Condensers in Refrigeration MCQs on Bissoy. Bissoy App

• The Grimson’s correlation gives the set of parameters to be used to calculate the Nusselt number for the calculation of the heat transfer coefficient as Nu = C Ren Pr0.33.
  ক

  True

  খ

  False
• Which one of the following correctly represents the condensation process in a condenser?
  ক

  2-3’-3-4

  খ

  3’-3

  গ

  3-4

  ঘ

  2-3’-3
• What is the equation for Coefficient of performance of a condenser?
  ক

  COP = Qe/Qc

  খ

  COP = We/Qc

  গ

  COP = Wc/Qe

  ঘ

  COP = Qe/Wc
• What is the meaning of heat rejection ratio (HRR) of a condenser?
  ক

  Ratio of heat rejected to the heat absorbed

  খ

  Ratio of heat absorbed to the heat rejected

  গ

  Ratio of heat required to the heat lost

  ঘ

  Ratio of heat wasted in a cycle to the heat absorbed
• Evaporative condensers are used in places where water is _________
  ক

  Scarce

  খ

  Plenty

  গ

  Moderately available

  ঘ

  Sufficient
• Evaporative condensers combine the features of a _____________ in a single unit.
  ক

  Cooling tower and water-cooled condenser

  খ

  Falling tower and water-cooled condenser

  গ

  Cooling tower and Air condenser

  ঘ

  Rising film tower and water-cooled condenser
• In evaporative condensers, ___________ used to extract heat from the condensing refrigerant.
  ক

  Air is

  খ

  Both air and water are

  গ

  Water is

  ঘ

  Either air or water is
• Recognize the following water cooled condenser.
  ক

  Shell tube

  খ

  Double tube condenser

  গ

  Tube coil

  ঘ

  Shell coil
• In a shell and coil type water cooled condenser, the refrigerant is passed through the ________
  ক

  Coil

  খ

  Shell

  গ

  Tube

  ঘ

  Annulus
• In the double pipe setup of the water-type condenser, the cold water flows in the ___________
  ক

  Shell

  খ

  Annulus

  গ

  Inner Tube

  ঘ

  Jacket
• Double pipe water cooling condensers have a capacity at around ________
  ক

  10 TR

  খ

  20 TR

  গ

  30 TR

  ঘ

  50 TR
• Shell and coil type condensers have a capacity at around ________
  ক

  10 TR

  খ

  20 TR

  গ

  30 TR

  ঘ

  50 TR
• In the double pipe setup of the condenser, the refrigerant flows in the ___________
  ক

  Shell

  খ

  Annulus

  গ

  Inner Tube

  ঘ

  Jacket
• Water cooled condensers can be classified to three more categories, which one of the following is incorrect?
  ক

  Double pipe

  খ

  Plate type

  গ

  Shell-and-tube type

  ঘ

  Shell-and-coil type
• Which type of fins are the most commonly used fin type in condensers?
  ক

  Annular fin

  খ

  Plate type fins

  গ

  Tube fin

  ঘ

  Extended double pipe
• In traditional Air conditioners in home appliances, what is the type of condenser used?
  ক

  Natural convection type

  খ

  Forced convection type

  গ

  Flash Type

  ঘ

  Rotary condensers
• In traditional Refrigerators in home appliances, what is the type of condenser used?
  ক

  Natural convection type

  খ

  Forced convection type

  গ

  Furnace Type

  ঘ

  Rotary condensers
• The surface area of natural convection type condensers is _____________ the forced convection ones for same capacity.
  ক

  Less than

  খ

  More than

  গ

  Equal to

  ঘ

  Very much less than
• The fin spacing is usually preferred to be ___________ to minimize the fouling effect by dust and to allow free flow of air with little resistance.
  ক

  Large

  খ

  Small

  গ

  Very small

  ঘ

  Joint
• In natural convection type, heat transfer from the condenser is by buoyancy induced natural convection and radiation.
  ক

  True

  খ

  False
• Based on the external fluid/cooling medium, condensers can be divided into three parts. Which one of the following is not one of them?
  ক

  Air cooled condensers

  খ

  Water cooled condensers

  গ

  Evaporative condensers

  ঘ

  Sub-cooled liquid condensers