Practice 2p

Where do you reset the red LED in the EMERLIGHTS TEST switch on the master ASP switch after the test?. ATA 33 CMCF SPECIAL FUNCTION. ATA 33 CMCF GROUND TEST. Cabin Maintenance menu on Cabin Attendance Panel (CAP).

The battery State of Charge (SOC) indicator on PS panel lets you see the condition of the: Only the main battery. Only the APU battery. Main and APU batteries.

How are the handsets directory codes determined?. They are determined by a switch selections behind the craddle. They are determined by software loaded from the cabin service system controller (CSSC). They are determined by program pin.

Emergency lights get power from batteries if: One VFSG fails in flight. AlI VFSG are lost in flight and APU works normally. Airplane power fails.

The main function of Remote Power Distribution System (RPDS) is: It supplies 28 Vdc and 115 Vac to electrical loads of 1 O Amps and more. It supplies 28 Vdc and 115 Vac to electrical loads of 50 Amps or less. It supplies 28 Vdc and 115 Vac to electrical loads of 10 Amps or less.

HF. What is the HF antenna coupler function?. It matches (tunes) the impedance of the antenna to the impedance of the transceiver. It reduces the transmission and reception noise. It modifies the antenna length for better transmission and reception.

The frequency of HF and VHF communication systems is selected through ... Their own panels. Head-Up Displays (HUD). Tuning Control Panel (TCP).

If you have to communicate from Flight Deck (flight crew) with P40 or P57 jack service interphone panels then: Select service interphone switch to "ON" in P40 and flight interphone on audio control panel. Select service interphone switch to "ON" in P57 and service interphone on audio control panel. Select service interphone switch to "ON" in PS and flight interphone (FLT) on audio control panel.

The transformer rectifier units (TRU). Change 235v ac to 28v dc. Convert 235Volts in 115Volts or 115Volts in 235Volts. Change 235v ac to +/-270v de for the common motor start controllers (CMSC).

How does the bus ous power control unit (B PCU) get 28v de power to sense the power quality and close the external power contactor?. APU hot battery bus. Backup bus. External power transformer rectifier unit.

How is APU Battery charged?. By a Battery Charger supplied from the F/O INSTR BUS. By a Battery Charger supplied from the HOT BATTERY BUS. By a Battery Charger supplied from the CAPT INSTR BUS.

What is the SATCOM LRU sends beam steering signals to the High Gain Antenna (HGA)?. Satellite Data Unit (SDU). Diplexer Low Noise Amplifier (DLNA) module. Satellite Data Unit Configuration Module (SCM.

The airplane is in the GROUND HANDLING mode. What do you do to give power to the ground service bus?. Ground Service switch on the master attendant panel. Ground Service menu on the Cabin Attendant Panel (CAP. Ground Service Enable on PS.

Where is the B787-9 HF antenna located?. A. B. C.

The main function of Secondary Power Distribution Units (SPDUs) is: To supply 115 VAC and 28 VDC power to loads of 50 amps and more. To supply 115 VAC and 28 VDC power to loads of 1 O amps or less. To supply 115 VAC and 28 VDC power to loads of 50 amps or less.

Which is the component to monitor the VSFGs oil temperature in the surface air oil heat exchangers (SAOHE). L BPCU to L 1 and L2 VFSGs. Left and right EECs. R BPCU for R1 and R2 VFSGs.

What components change 235 v ac to 115 v ac?. SPDU. ATRU. Other.

What components change 235 v ac to 115 v ac?. SPDU. ATRU. ATU.

What component change 235 Vac or 115 Vac to +/- 270 Vdc?. ATUS. ATRUS. CMSCs.

If the Cabin Service System Controller (CSSC) fails: Only the handset on the master attendance panei continues to operate normally. Handsets continue to operate normally. All handsets fail.

What is the purpose of the galley auto transformer unit (GATU)?. Changes 235v ac to 115v ac for the fwd galley. Changes 235v ac to 115v ac for the aft galley. Changes 115v ac to 235v ac for the aft galley.

With forward external powers supplying electrical power to the airplane: Only the right BPCU can be software loaded. Only the left BPCU can be software loaded. Both left and right BPCUs can be software loaded.

Makes alert and chime tones: Cabin services system contraller (CSSC). Cabin zone unit (CZU). Speaker drive module (SDM).

The Cabin Zone Unit (CZU): Are touch screen. Controls cabin area lighting. Changes the digital signal to analog audio.

The power for the emergency lights comes from: RPDUS (115 Vac). WELS control units (WCU) Batteries. Aircraft Battery.

What conditions turn on the VFSG GEN DRIVE light?. Low oil pressure and VFSG bearing failure. High oil temperature and VFSG bearing failure. Low oil pressure and High oil temperature.

If the ACP (audio control panel) of the captain side fail, how can use the observer ACP with: Using the observer audio override selector sw in the PS. Swapping the ACPs. Turning OFF and Back to ON the captain ACP.

What are the CBIC control modes?. CBIC has three control modes: Limited, Full and Maintenance. CBIC has two control modes: Ground and Air. CBIC has three control modes: Limited, Ground and Maintenance.

All the communication and navigation systems are noisy, so the problem could be: Electrical power is not frequency regulated. Electrical power is not voltage regulated. Some Static Dischargers are broken or missing.

How long could the emergency light operate?. Up to 20 minutes. Up to 30 minutes. Up to 15 minutes.

The start power unit (SPU): Change 28v de from the APU battery to 115v ac for APU battery start. Change 235v ac to 28v de. Change 235v ac or 115v ac to +/-270v de for the common motor start controllers (CMSC).

Where are the located HF transceivers?. AFT cargo compartment. Forward Cargo Compartment. AFT EE bay.

If the right BPCU loose its external power transformer rectifier unit, where does it takes power: R 28V DC bus. Backup bus. Left external power transformar rectifier unit.

Which LRUs hasthe SELCAL decoder software?. Display and Crew Alerting Function (DCAF) partition on General Purpose Modules (GPMs). The SELCAL decoder LRU. Audio Gateway Units (AGU).

What is the center VHF antenna location?. B (Aft). C. A.

What happens if gas pressure in the battery enclosure goes above 3 psi?. Apressure burst disc ruptures and the gas vents overboard through a metal tube. Red indicator on the pressure burst indicator extends. Red indicator on the pressure burst indicator retract.

When the towing switch is selected ON: Power to the left VHF communications and the flight deck dome lights. Energizes the four EBPSUs. Both are correct.

What is the function of CBIC?. Monitor and control electronic circuit breakers. Is used to control and monitoring contactors (ELCC's, BTB, etc.). Monitor and control the electrical power system.

You can get access to the CABIN MAINTENANCE screens on the CAP and. Maintenance Laptop. MCDF. EFB.

How do the wireless escape lighting system (WELS) lights get power if there is a failure of the airplane electrical power system?. The batteries in wireless emergency lighting system (WELS) control units (WCU). Left and right main wheel wells. Press the center knob of the master bright switch.