ECMU - ANSWER Electronic control and monitoring unit
OFV - ANSWER Outflow valve
PRV - ANSWER Pressure relief valve
NPRV - ANSWER Negative pressure relief valves
CPCS - ANSWER Cabin pressure control system
What is the target altitude of the low cabin function? - ANSWER To maintain
field elevation of destination up to the max differential of 5.75PSI
Max differential - ANSWER 5.75 PSI
The CPCU/ECMU channels sense cabin pressure and control the
______________ from the _____________ to control cabin pressure. -
ANSWER Exhaust airflow, outflow valve
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