Conocimienti intelectual 2

164. A fuel solenoid fails. To repair the fault you must: Replace the fuel module. Replace or adjust the fuel solenoid valve.

166. You shut down the APU from the P40 panel. The APU shuts down: Immediately. After the cool down period.

169. How does wind affect the engine inlet hazard area?. The inlet hazard area should be increased by 20% if the wind is more than 25kts. The inlet hazard area should be increased by 25% if the wind is more than 30kts. The inlet hazard area should be increased by 30% if the wind is more than 35kts.

170. How many fan blades does the engine have? From what material are they made?. There are 15 hollow titanium, low speed, wide-chord swept Fan Blades. There are 20 hollow titanium, low speed, wide-chord swept Fan Blades. There are 25 hollow titanium, low speed, wide-chord swept Fan Blades.

171. How do you manually turn the HP shaft?. By attaching a motor tool to the worm drive at the Intermediate Gearbox also known as the Step Aside Gearbox. By attaching a special drive tool to the worm drive at the Main Gearbox also known as the Step Aside Gearbox. By attaching a special drive tool to the worm drive at the Intermediate Gearbox also known as the Step Aside Gearbox.

172. How do you manually turn the IP shaft?. There is a drive behind a cover at the centrifugal breather to turn the LP spool. There is a drive behind a cover at the centrifugal breather to turn the IP spool. There is a drive behind a cover at the centrifugal breather to turn the HP spool.

173. What components in the HMU help control the pump output?. The pressure drive control valve (PDCV) and the control and spill valve (CSV). The pressure drop combining valve (PDCV) and the combining and spill valve (CSV). The pressure drop control valve (PDCV) and the combining and spill valve (CSV).

174. What controls the quantity of fuel that goes to the fuel nozzles?. The FMU. The HMU. The EEC.

175. When you move the fuel control switch to the CUTOFF position, what valves in the engine fuel system close?. a. The PDCV in the EEC and the fuel spar valve (the FMV in the HMU is also driven to the closed position by the EEC). b. The PRSOV in the HMU and the fuel spar valve (the FMV in the HMU is also driven to the closed position by the EEC).

176. What is the source of electrical power for the EEC?. 235 v ac from the airplane but once the engine is running the permanent magnet alternator. 28 v dc from the airplane but once the engine is running the permanent magnet alternator. 115 v ac from the airplane but once the engine is running the permanent magnet alternator.

177. During an engine start, does the EEC use 1 or 2 ignition systems?. The EEC will use only one ignition system and alternate after every subsequent start. The EEC will use only one ignition system and alternate after two subsequent starts The EEC will use only one ignition system and alternate after three subsequent starts.

178. What component supplies power to the variable frequency starter generators (VFSG) during an engine start?. CMSC. VFSG. ASG.

179. What are the electrical power sources necessary for an engine start?. External power (1 forward minimum), ASG, VFSG from the other engine. External power (2 forward minimum), ASG, VFSG from the other engine. External power (3 forward and aft), ASG, VFSG from the other engine.

180. Starter cutout occurs when the N2 speed gets to________percent. 46.7% N2. 50% N2. 60% N2.

181. What is the source of cooling for the LPTACC?. Fan air. HP air. IP air.

182. What is the purpose of the secondary air system (SAS) valve?. It opens to supplement IP8 cooling and sealing air with HP3 air during starting and low power conditions to prevent oil loss from the bearing chambers. It opens to supplement HP8 cooling and sealing air with LP3 air during starting and low power conditions to prevent oil loss from the bearing chambers.

183. What is the purpose of the thrust reverser lockout solenoid?. Located in the engine, it prevents the movement of the reverse thrust levers if the thrust levers are not at idle. Located in the thrust control module, it prevents the movement of the reverse thrust levers if the thrust levers are not at idle.

184. What function in the EEC senses an engine uncommanded thrust increase?. secondary air system (SAS). Low Press Turbine Active Clearance Control (LPTACC). Thrust control malfunction accommodation (TCMA).

185. What data does the engine electronic controller (EEC) use to calculate TPR? Select the incorrect response. P30 (high pressure compressor (HPC) exit pressure). LP turbine exit temperature (T50). Turbine gas temperature (TGT). Inlet pressure and temperature - from the P20/T20 probe.

186. What component calculates the engine trim balance solutions?. EEC. EMU. GPM in CCR.

187. What is used to monitor the position of the thrust reverser translating sleeves?. The thrust reverser feedback unit. It connects the upper and lower actuator flexible drive shafts and monitors the position of the sleeve with an RVDT and reports to the CCS. The thrust reverser feedback unit. It connects the upper and lower actuator flexible drive shafts and monitors the position of the sleeve with an LVDT and reports to the EEC.

188. Which engine oil parameter goes through the MEDC to EICAS?. Oil temperature is the only oil parameter that goes through the MEDC, all other go through the EEC. Oil quantity is the only oil parameter that goes through the MEDC, all other go through the EEC. Oil press is the only oil parameter that goes through the MEDC, all other go through the EEC.

98. Which components are parts of the debris monitoring system (DMS)? Select all the correct responses. Magnetic chip detectors. Air-oil separator. Sensor. Signal conditioner.

95. Which components are parts of the thrust reverser system? Select all the correct responses. Translating sleeves. Blocker doors. Track lock mechanism. Cascade segments. Sync locks. Hydraulic control unit (HCU).

92. What data does the engine electronic controller (EEC) use to calculate TPR? Select all the correct responses. P30 (high pressure compressor (HPC) exit pressure). LP turbine exit temperature (T50). Turbine gas temperature (TGT). HP compressor speed probe. Inlet pressure and temperature - from the P20/T20 probe.

88. Which are the functions of the thrust control module? Select all the correct responses. TO/GA commands. MIC/FLT PTT signal. Sends TRA data to the EEC. Autothrottle disconnect. Prevent reverse thrust lever movement.

82. If the engine electronic controller (EEC) senses a start problem during the first start attempt, the EEC: Select all the correct responses. stops fuel and ignition. aborts the start. sends an EICAS message (AUTOSTART FAIL (L/R). motors the engine for 30 seconds if on the ground or 1 second if in flight. sets the applicable starter torque necessary for the variable frequency starter generator (VFSG). tries a second start with 2 igniters.