Tension-type rupture discs, which are installed with process pressure against the ______ side of the disc:

If you smell a pungent odor during recovery and/or repair, potentially an acid burnout has occurred

A typical setting for the high pressure cutout control on a recovery unit used for evacuating the refrigerant from a low-pressure chiller is typically ______

Effective way to detect the general area of a small leak is not to use which of the leak detection method:

Recovery units remove the refrigerant in which of the form:

In order to avoid the freezing of water in the tubes while charging refrigerant into the system, at first refrigerant shall be charged in to the system in which of the following phase:

The fastest recovery is achieved with a cold recovery tank

Whenever you evacuate a system to sub-ambient pressures, always break the vacuum with _______ before opening the system to the air

If you need to shutdown an industrial process to fix the leak, you can take up to _______ to repair the leak:

Which of the following gas is used for leak detection in the system: