What should be done before transferring refrigerant to an empty cylinder? (A) A) The refrigerant should be chilled. (B) B) The cylinder should be evacuated. (C) OThe refrigerant should be mixed. (D) D) The cylinder should be heated.

Before transferring refrigerant to an empty cylinder, it's essential to ensure that the cylinder should be evacuated. This means removing any air and moisture from the cylinder to prevent contamination, which could cause damage to the refrigeration system or even dangerous reactions. It's a crucial step to maintain the integrity of both the refrigerant and the equipment. To make the transfer process smoother and safer, it's also a good idea to familiarize yourself with the correct refrigerant handling procedures. Improper handling can lead to mistakes like overfilling the cylinder or using the wrong type of refrigerant, resulting in potential leaks or equipment failure. So, reading up on proper handling and safety protocols is a wise course of action!