Answer:
a. A only
Explanation:
When air, is in excess of allowable amounts, it can cause the system to operate at pressures that are higher than normal. This means that the recycled refrigerant is operating at high pressure. Thus Technician A is correct.
However, Technician B is incorrect because unlike reclaimed refrigerants where the process strip the refrigerant of impurities making it to meet the standards of a new refrigerant, the recycled refrigerant is not as pure as it's contaminants are only reduced.
Therefore, only technician A is correct.
Answer: Packets are the small unit of data that is sent from source to destination on a network.
Explanation: Packets are small packages that carry data in a packet form and is used from transferring it on internet or any kind of packet-switched network. They use the internet protocol (IP) for the transmission of data.
Example: packet radio is a sort of digital radio that uses the packet for transmission of data to other nodes by utilizing the AX-25 protocol.