Saudia Arabian Airlines Electrical CBT PDF

159) How can the crew cancel a displayed company or ATC uplink message? a) Push the STATS switch on the display select panel b) Select the CANCEL command key on the MFD COMM page c) Push the CANC/RCL switch on the display select panel 160) Which of the following is NOT an example...

159) How can the crew cancel a displayed company or ATC uplink message? a) Push the STATS switch on the display select panel b) Select the CANCEL command key on the MFD COMM page c) Push the CANC/RCL switch on the display select panel 160) Which of the following is NOT an example of an ATC REQUESTED REPORT that can be armed for automatic downlink to ATC? a) LEAVING FL330 b) MAINTAINING FL330 c) PASSING SEA ELECTRICAL 161) You have a cold airplane (no power connected). Which items will be powered if you push the BATTERY switch ON? a) The APU controller and the DC fuel pump will be powered b) Only the main battery bus will be powered c) The hot battery bus will be powered 162) If AC power is removed or lost which items are powered when the BATTERY switch is ON? a) Standby busses, emergency lights, Critical AC and DC power. b) Standby busses, emergency lights only. c) Main busses, normal lights, Critical AC and DC power. 163) In the generator control switch what does the amber OFF light indicate? a) The generator is working correctly. b) The generator main AC Bus has failed. c) The generator breaker is in the open position. 164) What two conditions cause the BUS TIE ISLN to illuminate? a) Switch to OFF or a fault has occurred. b) Switch to ON or no fault has occurred. c) APU started, switch in the ON. 165) What conditions might isolate the utility electrical buses in flight or on the ground? a) Operating with high electrical load. b) Operating with low electrical load. c) No electrical load on any utility bus. 166) What condition illuminates the generator drive lights? a) High oil pressure. b) Low IDG oil pressure. c) Minimum oil pressure indication. 167) When does the right transfer bus separate from the right main AC bus to provide three independent autopilot power sources for approach? a) When TAKEOFF is selected on the TOGA. b) When APPROACH is selected for AUTOLAND. c) When VNAV is selected on the MCP panel 19 2015/03 ‫ ‏‬/07 ‫‏ ‏‬ 168) Can both backup generators work at the same time? a) No, only one backup generator works at a time. b) Yes, both backup generators can work at the same time. c) Yes, both backup generators can work at the same time but only in-flight. 169) When will the backup generator work? a) If only one generator is available (including APU) or if power is lost to one or both main AC buses. b) When APP mode is selected for auto land, or automatically tested after engine start. c) All the above. 170) What causes the BACKUP GEN “OFF” light to illuminate? a) Backup generator has failed or backup generator is selected to OFF. b) Fault is detected in the system, or converter has failed c) All of the above. 171) How is power distributed to the autopilots during autoland? a) Normally 3 A/Ps powered from two power sources during autoland. b) Normally 2 A/Ps powered from two power sources during autoland. c) Normally 3 A/Ps powered from three power sources during autoland. 172) Can you do an autoland if both generators (L & R) are unpowered and one backup a) Generator is inoperative? b) Yes If APU is available, auto land is available with one backup generator and one APU generator. c) No, autoland can't be done. 173) What does “ELMS” stand for? a) Electric load management system. b) Electric light management system. c) Essential load management system. 174) What automatic switching will occur if you start the APU with external power on the BUS TIE system? a) The APU connects to the BUS TIE switches but does not power either main bus b) The APU connects to the BUS TIE and replaces secondary external power on the left main bus c) The APU connects to the BUS TIE and replaces primary external power 175) How are the busses powered if the right engine is started with the APU powering the left bus system and external power powering the right bus system? a) External power continues to supply the right main bus b) The right engine generator automatically powers the right main bus c) The right engine generator automatically powers both main busses 176) What powers the left main bus if the left engine is shut down, the right engine is running and the APU is not running? a) Secondary external power supplies the left main bus b) The APU generator powers the left main bus c) The right engine generator powers the left main bus 20 2015/03 ‫ ‏‬/07 ‫‏ ‏‬ 177) Which items below are de-powered if you position the BATTERY switch to OFF during power down? a) The APU battery and hot battery bus b) The engine fire extinguisher bottles and APU fire extinguisher bottle c) The standby bus, Captain’s displays, and left AIMS 178) How can you power the ground handling bus before shutdown if no external power is available? a) Select the ground handling bus ON b) The bus is powered as long as the right main bus is powered c) Start the APU 179) Which bus operates only on the ground? a) The ground service bus b) The ground handling bus c) The left main AC bus 180) What bus, operates only on the ground? a) AC busses. b) There is no bus operates only on the ground. c) GRD handling bus. 181) What is required to connect primary or secondary external power if no AC power is available? a) Battery switch must be OFF. b) Battery switch must be ON. c) APU must be off. 182) What is the primary source of DC power during normal flight? a) APU battery b) Main battery c) Transformer rectifier units 183) What provides DC power on this airplane? a) Standby inverters b) Transfer busses c) Transformer rectifier units 184) When does the right transfer bus isolate from the right main bus? a) During descent b) When system configures to autoland c) When main AC busses are powered 185) What is the electrical configuration during autoland? a) There is no change from normal b) The left transfer bus isolates from the right main bus c) The right transfer bus isolates from the right main AC bus 21 2015/03 ‫ ‏‬/07 ‫‏ ‏‬ 186) What is the primary power source for “fly-by-wire? a) Main AC busses b) Permanent magnet generators c) APU 187) What is the secondary source of power for “fly-by-wire” if one or more PMGs are unpowered? a) Left transfer bus b) DC busses c) Main AC busses 188) What is the primary source of standby power if all normal AC and DC power sources fail? a) Main battery b) Backup generators c) RAT generator 189) What will happen if the airplane in the standby electrical power and the RAT sheds electrical power because of low hydraulic pressure? a) APU b) Backup generators c) Main battery 190) Which condition(s) cause the ELEC GEN DRIVE L EICAS message to display? a) Engine oil temperature is high b) Generator drive oil pressure is low c) GENERATOR CONTROL switch selected to OFF 191) What is the primary source of power for the transfer busses? a) Backup generators b) Engine generators c) Main DC busses 192) What is the correct electrical panel configuration for normal flight? a) BUS TIE switches in ISLN, BATTERY switch ON, GENERATOR CONTROL switches ON b) BUS TIE switches in AUTO, BATTERY switch ON, GENERATOR CONTROL switches ON c) BUS TIE switches in AUTO, BATTERY switch ON, GENERATOR CONTROL switches OFF 193) What does the green EXTERNAL POWER AVAIL light indicate? a) External power is connected to all the airplane’s electrical busses b) Electrical power is available to the electrical busses but may not be correct c) External power is connected to the airplane, correct and ready to power the electrical busses EMERGENCY EQUIPMENT 194) How many quick donning oxygen masks are installed on the flight deck? a) One for each pilot b) One for each pilot, one for each observer c) One for each pilot and only one observer mask 22 2015/03 ‫ ‏‬/07 ‫‏ ‏‬