Mesa Airlines E-Jet Systems Exam (Spring 2021)

What is the purpose of the DC GPU receptacle? {Ans: a. For APU start when batteries < 22VDC b. When Batt temp is < -20C}There are 8 pneumatic fire detectors (2 loops) per engine {Ans: TRUE}If the FADEC has detected a flame-out, it will attempt an automatic re-light {Ans: TRUE}What will cause the amber IDG light on the overhead panel to illuminate? {Ans: a. High oil temperature b. Low oil pressure (HOTLOP)}Hydraulic system 1 and 2 engine pump shutoff valve buttons do what when pressed? {Ans: Closes the hydraulic shut off valve, isolating the respective engine driven pump from the associated hydraulic system.}The company Policy minimum engagement altitude for the autopilot after {Ans: 1000 feet AGL}How many independent networks make up the electrical system on the airplane? {Ans: 2}Which component power the DC system? {Ans: a. 2 NiCad batteries b. 3 Transformer Rectifier Units (TRU) c. DC GPU receptacle}Why does electric hydraulic pump 2 automatically come on after number 1 engine is started and the parking brake is released? {Ans: To provide nose wheel steering and inboard brakes during single engine taxi.}The APU can replace a failed IDG {Ans: TRUE}To