What type of refrigerants are normally used in CO2 cascade refrigeration systems?
A) HFC refrigerant mixed with CO2 in both systems
B) HFC refrigerant in the high-temperature system and CO2 in the low-temperature system
C) CO2 refrigerant in the high-temperature system and HFC refrigerant in the low-temperature system
D) CO2 refrigerant in both the high- and low-temperature systems
B
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¿Cuál de los siguientes materiales, en forma de plancha plana, NO suele llamarse "plancha"?
a. Fibra de vidrio b. Poliestireno c. Silicato de calcio ("kaylo"). d. Poliuretano
Catfish farming represents one of the fastest-growing aquaculture industries in the United States
Indicate whether the statement is true or false.
Eggs are checked for cracks and interior spots in a process called _____
A) oxidizing B) candling C) beak trimming D) incubating
Determine the width, in millimeters, of a P225/65R16 tire
What will be an ideal response?