In a cascade refrigeration system consisting of two stages:

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Physics · Thermodynamics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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two different refrigerants are used; the refrigerant with the lower normal boiling point (NBP) is used in the low-temperature loop (evaporator side)

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Answer 1

refrigeration effect is obtained using a single refrigerant throughout the system

Answer 2

two different refrigerants are used; the refrigerant with the lower normal boiling point (NBP) is used in the low-temperature loop (evaporator side)

Answer 3

two different refrigerants are used, and either can be placed arbitrarily in the evaporator or condenser side

Answer 4

two different refrigerants are used; the refrigerant with the higher normal boiling point (NBP) is used in the low-temperature loop (evaporator side)

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