Industrial Refrigeration Systems Quiz Obj 1

What is an air blast freezer?

• A freezer that uses a chemical process to create heat

• A freezer that uses low temperature brine

• A freezer that freezes products quickly using high velocity air

• A freezer that freezes products using ammonia

What is ammonia (R-717)?

• A non-toxic refrigerant

• A type of industrial freezer

• A method of freeze drying

• A single compound refrigerant that is toxic and flammable

What does 'block in' refer to?

• To freeze food products quickly

• To remove water from a product

• To isolate a piece of equipment using valves

• To create a chemical reaction

What is a contact freezer?

• A freezer that is used for emergency response

• A freezer that uses ammonia as a refrigerant

• A freezer that freezes products between refrigerated plates

• A freezer that uses high velocity air

What is the purpose of an emergency response plan?

• To manage inventory of refrigerants

• To respond to an uncontrolled release of hazardous substances

• To design refrigeration systems

• To test refrigerant tightness

What does 'sublimation' mean?

• The process of freezing food products

• The process of changing from solid to gas without becoming liquid

• The process of isolating equipment

• The process of creating heat in a chemical reaction

What is a belt freezer?

• A freezer that is used for emergency response

• A freezer that freezes products using ammonia

• A freezer that forces air from below a production belt

• A freezer that uses low temperature brine

What is a limited charge system?

• A system that freezes products quickly

• A system that exceeds design pressure when not operating

• A system that does not exceed design pressure when the compressor is off

• A system that uses multiple compressors

What is a multiplex system?

• A method of freeze drying

• A type of emergency response plan

• A refrigeration system with multiple compressors sharing lines

• A refrigeration system with one compressor

What is the role of the International Institute of Ammonia?

• To design refrigeration systems

• To perform field tests

• To advocate for the safe use of ammonia and natural refrigerants

• To manage refrigerant inventory