Which refrigerants are examples of high- or very high-pressure refrigerants commonly encountered in Type II appliances?

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Multiple Choice

Which refrigerants are examples of high- or very high-pressure refrigerants commonly encountered in Type II appliances?

Type II appliances operate with refrigerants that run at high or very high pressures on the high side, so you’ll see these pressure-loving refrigerants in typical air conditioning and similar systems. R-410A, R-134a, and R-22 are classic examples because they’re widely used in modern A/C equipment and are designed to withstand higher pressures. They’re the refrigerants you’d expect to encounter when servicing Type II appliances, so they’re considered high- or very high-pressure varieties. The other options aren’t representative of the common high-pressure group in Type II contexts: R-12 and R-500 are older or less common blends, ammonia is mainly used in industrial settings with different system designs, and R-290 is a hydrocarbon more associated with smaller, lower-pressure applications.

Type II appliances operate with refrigerants that run at high or very high pressures on the high side, so you’ll see these pressure-loving refrigerants in typical air conditioning and similar systems. R-410A, R-134a, and R-22 are classic examples because they’re widely used in modern A/C equipment and are designed to withstand higher pressures. They’re the refrigerants you’d expect to encounter when servicing Type II appliances, so they’re considered high- or very high-pressure varieties.

The other options aren’t representative of the common high-pressure group in Type II contexts: R-12 and R-500 are older or less common blends, ammonia is mainly used in industrial settings with different system designs, and R-290 is a hydrocarbon more associated with smaller, lower-pressure applications.

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