valves?
A) Level Controllers
B) Regulators
C) Floats
D) Solenoids
B) Regulators
,All hand expansion/metering valves must be ________ turns
open for optimized efficiency?
A) 1/2 turn
B) 2 1/2 turn
C) Depends on what the manufacture cut sheet says
D) Each valve will have a different position based upon
load and pressure drop through the valve
D) Each valve will have a different position based upon
load and pressure drop through the valve
,Ammonia is at the following conditions, -30°F and 6" Hg.
What is the condition of the refrigerant?
A) SAT
B) Superheated
C) Sub-cooled
D) Trans-critical
B) Superheated
, Ammonia is at the following conditions, -32°F and 3" Hg.
What is the condition of the refrigerant?
A) SAT
B) Superheated
C) Sub-Cooled
D) Trans-Critical
A) SAT