Evaporator and Condenser, Objective 4

What is the main function of a condenser in a refrigeration system?

• Store heat

• Reject heat

• Absorb heat

• Generate heat

Which of the following are the three types of condensers?

• Solid cooled, Vapor cooled, Gel cooled

• Fan cooled, Ice cooled, Steam cooled

• Air cooled, Water cooled, Evaporative

• Oil cooled, Gas cooled, Liquid cooled

What is the first process that occurs in a condenser?

• Evaporation

• Subcooling

• De-superheating

• Condensation

What is the temperature of the refrigerant vapour leaving the compressor discharge valve?

• 320°F (160°C)

• 220°F (104°C)

• 120°F (50°C)

• 420°F (215°C)

Which type of condenser is commonly used in computer room air conditioners?

• Air cooled

• Water cooled

• Evaporative

• Oil cooled

What is the second process that occurs in a condenser after de-superheating?

• Subcooling

• Condensation

• Evaporation

• Superheating

In which type of condenser does the condensed liquid collect at the lowest part of the condenser?

• Oil cooled

• Water cooled

• Evaporative

• Air cooled

What is the temperature difference in a condenser?

• Difference between the refrigerant temperature and the condenser temperature

• Difference between the refrigerant temperature and the ambient temperature

• Difference between the refrigerant temperature and the compressor temperature

• Difference between the refrigerant temperature and the evaporator temperature

Which type of condenser is used in commercial food preparation equipment?

• Air cooled

• Water cooled

• Evaporative

• Oil cooled

What is the third process that occurs in a condenser after de-superheating and condensation?

• Subcooling

• Evaporation

• Superheating

• Desalination