Unit 2 Flashcards
How are crosscurrents between parallel generators MINIMIZED if the bus voltage is high and the PF are the same?
Lower the voltage to all units
Typically MEP-12 generators are scheduled for maintenance after operating for…?
300 Hours
When removing MEP-12 oil filters how many MAIN filters are replaced?
4
What is the LAST step in performing a 300 hour mechanical preventative maintenance on a MEP-12 generator?
Update the historical records
What is the ratio of the T4-T9 transformers on a MEP-12 generator?
20:1
What size fuses are inspected on the CB5 during a high voltage inspection on a MEP-13 generator?
170 amp
When using a MEP-12 ladder diagram the positive side of the diagram is located on the..?
Top of the diagram
When using a crew/operator troubleshooting chart in a MEP-12 TO what should you do if you see “refer to the next higher level on maintenance” ?
Proceed to the organizational troubleshooting chart
How many paralleling modes can a BPU operate in?
3
Which PF is the BPU alternator rated?
.75
How is the radiator fan speed controlled on the BPU?
Viscous clutch
What is the preferred fuel for the BPU?
JP-8
What is the MAXIMUM time the BPU can run on a full day tank?
1 hour at full load
Where is the coolant level indicator located on the BPU?
Inside the radiator compartment
Where are the motor protectors located on the BPU?
Electrical box 2
What resource is used to regulate moisture in electrical box 3 on the BPU?
Heat strips
Where are the decompression doors located on the BPU?
On the bottom
If more than one BPU is installed which copper conductor ground cable size MUST be used to connect them to the ground grid?
2 AWG
Which screen on the BPU DCS is the fuel source located?
Main
What are the three tabs in the BPUs ROP software?
Master, detail, and configuration screens
