Thermal energy in transition is also referred to as （）.

A.worn bearings and piston pins
B.slugging due to flooding back
C.too much oil in circulation
D.All of the above

A.superheated
B.super-cooled
C.at or below the dew point
D.All of the above

A.open the steam line mot valve
B.drain the steam cylinder
C.close the steam cylinder drains
D.open the liquid cylinder drains