WorksheetsB737 MAX Engine Systems Quiz
Total questions: 28
Worksheet time: 28mins
Where is the engine nameplate located?
It is on the right fan case aft of the oil tank.
It is on the right side of HPC case under the thrust reverser cowl.
It is on the left fan case aft of the accessory gearbox.
When the EEC finds a non-dispatchable defect in the thrust reverser system, it sends a signal to the DPCs, to:
Turn on the MAINT LIGHT only.
Show the ENG (1,2) REVERSER message on the MDS system status display page, turn on the MAINT LIGHT and turn on the MASTER CAUTION light.
Show the ENG (1,2) REVERSER message on the MDS system status display page only.
Where is the N1 speed sensor installed?
It is in a guide tube, at 3 o'clock position of the fan case aft of oil tank.
It is in a guide tube, in a strut at the 5 o'clock position of the fan hub.
It is in of the low pressure compressor (LPC) case at the 6 o'clock.
Which major modules do you know?
The fan major module, the core major module, the low pressure turbine major module.
The fan major module, the core major module, accessory drive major module.
The fan major module, the core major module, the high pressure turbine major module, the low pressure turbine major module.
Which functions does the engine compressor airflow control system have?
Variable stator vanes (VSVs), variable bypass valves (VBVs), Transient bleed (TBV), Modulated turbine cooling (MTC).
Variable stator vanes (VSVs), Variable bypass valves (VBVs), Transient bleed (TBV), start bleed/booster anti-ice (SBBAI).
Variable stator vanes (VSVs), Variable bypass valves (VBVs), high pressure turbine active clearance control (HPTACC), Low pressure turbine active clearance control (LPTACC).
Where is the split control unit (SCU) located in the engine fuel and control schematic?
Downstream and right after fuel metering unit (FMU).
Upstream of main fuel filter.
Between fuel flow transmitter and fuel collector with nozzles.
Which components in the EE compartment to control the functions of the air conditioning system?
Two pack/zone temperature controllers (PZTCs) and one air conditioning accessory units (ACAU).
Two integrated air systems controller (IASCs), one air conditioning accessory unit (ACAU) and one pressure controller (PC).
Two integrated air system controllers (IASCs) and two air conditioning accessory units (ACAUs).
What is the inlet hazard area at idle power?
It is a 10.6 ft (3.2m) radius around and 4.5 ft (1.4m) aft of the inlet.
It is a 22.7 ft (6.9m) radius around and 10.6 ft (3.2m) aft of the inlet.
It is a 10.0 ft (3.1m) radius around and 4.0 ft (1.2m) aft of the inlet.
Are all three thrust reverse control actuators at one TR half the same?
No. only middle and bottom actuators are the same.
No at all.
Yes.
How many stages does the high pressure compressor (HPC) have?
10.
12.
9.
Where are all engine overheat, fire, and fault signals sent to?
The Engine Electronic Controller.
The onboard maintenance function (OMF) inside the network file server (NFS).
Directly to the network file server (NFS).
What is the engine oil tank's total volume?
Approximately 26 liters.
Approximately 20 liters.
Approximately 29 liters.
What does prevent the operation of the forward thrust lever and the reverse thrust lever at the same time?
The electrical solenoid.
The thrust lever lock pawl.
The mechanical latch with spring.
When can you see EGT indication on display unit?
When aircraft has 115v AC.
When aircraft has 28v DC.
When the EECs have electrical power.
When is it not allowed to open thrust reverser cowls?
If wind speed is more than 40 m/sec.
If the aircraft is outside of the hanger.
If wind speed is more than 40 knots.
How many deactivation points does each T/R translating sleeve have?
Two.
One.
Three.
Which temperature sensor measures the 10th stage compressor discharge air temperature?
T12.
T25.
T3.
What does control the airflow through each ai conditioning ram air system?
Aft ram air door actuator (RADA) with cable.
Inlet and exit smart ram air door actuators (SRADAs).
Inlet smart ram air door actuator (SRADA).
Are the integrated air systems controllers identical and interchangeable?
Yes, without any additional actions.
Yes, but it is necessary to swap electrical connectors.
No, never.
When does the starter air valve (SAV) close and remove bleed air from the starter?
At 55 percent N2.
At 46 percent N2.
At 60 percent N2.
Where is the servo fuel heater located in the engine oil system schematic?
Downstream of the main fuel/oil heat exchanger.
Upstream of sump eductor.
Downstream of the lubrication unit.
Which positions does the engine start switch have?
ON, AUTO, OFF, FLT.
GRD, AUTO, CONT.
GRD, AUTO, CONT, FLT.
Where is the main fuel pump installed?
It is on the aft side of the accessory gearbox (AGB) at the 8 o'clock position.
It is on the fwd side of the accessory gearbox (AGB) at the 9 o'clock position.
It is on the aft side of the accessory gearbox (AGB) at the 6 o/clock position.
Which parts does the engine cowling have?
One inlet cowl, two compressor cowls, two thrust reverser cowls, two exhaust cowls.
One inlet cowl, two fan cowls. Two thrust reverser cowls.
Two inlet cowls, two fan cowls, two thrust reverser cowls.
How long are maintenance messages generated by onboard maintenance function (OMF) via by maintenance personnel?
30 minutes after landing.
Until be deleted manually.
30 seconds after landing.
What and how many components does the VBV system include?
2 gear motors and 10 doors.
1 actuator and 8 doors.
2 actuators and 8 doors.
What is purpose of the air flow sensor downstream of the FCSOV?
The flow sensor gives flow pressure to the flow control shutoff valve (FCSOV).
The flow sensor increase air flow if air pressure drops.
The flow sensor gives flow data to the integrated air system controller (IASC).
Which functions doesn't perform the sync lock?
Does not let the sync shafts turn when locked.
Lets you manually deploy the thrust reverser half.
Block the left and right sync shaft simultaneously in case of thrust reverser fault.
