To start the copilot's instrument power system (CIPS), hold the copilot's power switch to ______ until the copilot's instrument power OFF light goes out, then ______ the CIPS switch.
To start the copilot's instrument power system (CIPS), hold the copilot's power switch to START until the copilot's instrument power OFF light goes out, then release the CIPS switch.
On the ground, if the engine-driven generators are not operating, AC Power can be supplied by an _____ or by an _____.
On the ground, if the engine-driven generators are not operating, AC Power can be supplied by an onboard APU or by an external power cart.
The load buses can be interconnected through _____ to a synchronizing bus, which allows parallel operation of the generators.
The load buses can be interconnected through bus tie breakers (BTB) to a synchronizing bus, which allows parallel operation of the generators.
If a circuit breaker trips open _____ times, do not attempt any further use of the affected equipment.
If a circuit breaker trips open three times, do not attempt any further use of the affected equipment.
Normal AC voltmeter reading is _______ to ______ volts.
Normal AC voltmeter reading is 190 to 210 volts.
As each engine is shut down, the generator automatically trips off-line due to a(n) ______.
As each engine is shut down, the generator automatically trips off-line due to a(n) underspend.
Control of each generator's output is maintained by a ______.
Control of each generator's output is maintained by a generator control unit (GCU).
If both TR units fail or if all generators fail, power to the switch DC bus can be supplied by the _____ or the _____, through the battery bus.
If both TR units fail or if all generators fail, power to the switch DC bus can be supplied by the main battery or the APU battery, through the battery bus.
Disconnect the generator by momentarily setting the IDG disconnect switch to ______. Check that the associated _______ caution light comes on.
Disconnect the generator by momentarily setting the IDG disconnect switch to DISC. Check that the associated DISC caution light comes on.
Normal AC frequency reading is ______ to ______ hertz.
Normal AC frequency reading is 395 to 405 hertz.
The ______ comes on if an external power source, which has proper voltage, frequency, and phase rotation, is plugged into a receptacle, or if the APU generator meets the same criteria and the ______ is closed.
The EXT PWR AVAIL light (green) comes on if an external power source, which has proper voltage, frequency, and phase rotation, is plugged into a receptacle, or if the APU generator meets the same criteria and the external power receptacle door is closed.
When the engine RPM increases above the underspeed trip point and generator voltage and frequency are _____, the GCU ______ function attempts to parallel the generator with the source of power supplying the sync bus.
When the engine RPM increases above the underspeed trip point and generator voltage and frequency are within limits, the GCU auto parallel function attempts to parallel the generator with the source of power supplying the sync bus.
If the switched DC bus failure light comes on, it indicates _______ to the switch DC bus has failed.
If the switched DC bus failure light comes on, it indicates power to the switch DC bus has failed.
Operation of the AC power system in abnormal conditions is limited to attempts to ______ tripped circuit breakers, _______ generator operation, and generator ______.
Operation of the AC power system in abnormal conditions is limited to attempts to reset tripped circuit breakers, isolated generator operation, and generator shutdown.
Maximum AC ammeter reading is ______ amps.
Maximum AC ammeter reading is 116 amps.
If the _______ is open, the APU generator cannot be put on the sync bus.
If the external power receptacle door is open, the APU generator cannot be put on the sync bus.
Airplane 28V DC power is provided by two ______ as the primary source and by a _______ and ______ as secondary sources.
Airplane 28V DC power is provided by two transformer rectifiers as the primary source and by a main battery and APU battery as secondary sources.
Two 24V, 35-amp hour sealed lead acid batteries are located in the _____.
Two 24V, 35-amp hour sealed lead acid batteries are located in the toilet compartment.
With properly operating equipment, circuit breakers will not be opened or ________.
With properly operating equipment, circuit breakers will not be opened or used as a switch.
Normal DC loadmeter reading is _______ to _______.
Normal DC loadmeter reading is 0-1.