EMB 145 Oral Questions Overhead D Select Slide
EMB 145 Oral Questions Overhead “D” Select “Slide Show” Use the space bar on your computer to advance the presentation and challenge your systems knowledge This is a tool to assist in study of EMB 145 systems, but does not constitute a replacement for reading the actual AOM VOL 1 or 2, nor does it contain ALL information contained therein. The actual AOM Volumes are subject to changes and updates. Air Line Pilots Association, International
What is the difference between hydraulic system #1 and hydraulic system #2? Air Line Pilots Association, International
Hydraulic system #1 has a priority valve. Air Line Pilots Association, International
What is the purpose of the priority valve? Air Line Pilots Association, International
If the system is powered by the electric hydraulic pump, it prioritizes flow of the fluid to the flight controls when the landing gear is actuated. Air Line Pilots Association, International
Why is it necessary to prioritize fluid flow when only the electric hydraulic pump is operating? Air Line Pilots Association, International
There is less volume of fluid being pumped when using this system. Air Line Pilots Association, International
What is the output pressure of the engine driven hydraulic pump? Air Line Pilots Association, International
3000 psi. Air Line Pilots Association, International
What is the output pressure of the electric hydraulic pump? Air Line Pilots Association, International
2900 psi. Air Line Pilots Association, International
What happens when the electric hydraulic pump knob is set to the AUTO position? Air Line Pilots Association, International
The electric pump automatically comes on when the hydraulic pressure drops below 1600 psi or the associated engine drops below 57% N 2. Air Line Pilots Association, International
What happens if the guarded ENG PUMP SHUTOFF button is pressed? Air Line Pilots Association, International
The associated engine’s hydraulic pump shutoff valve closes. Air Line Pilots Association, International
What condition would lead you to press the ENG PUMP SHUTOFF button? Air Line Pilots Association, International
Hydraulic system overheat. Air Line Pilots Association, International
If you lose hydraulic system #1, what speed should you fly? Air Line Pilots Association, International
250 KIAS, as per AOM Vol. 1 Air Line Pilots Association, International
When is rudder hydraulic system #1 automatically deenergized? Air Line Pilots Association, International
Above 135 KIAS. Air Line Pilots Association, International
Why is rudder hydraulic system #1 automatically de-energized above 135 KIAS? Air Line Pilots Association, International
To limit rudder forces at higher speeds. Air Line Pilots Association, International
If the rudder hydraulic system fails to disengage at 135 KTS, what type of EICAS message will you see? Air Line Pilots Association, International
RUDDER OVERBOOST (master caution) Air Line Pilots Association, International
What is rudder hard-over protection? Air Line Pilots Association, International
Hydraulic power to the rudder will be shutoff automatically when: - A force of 130 pounds on a rudder pedal - Rudder deflected 5 o opposite rudder force - Both engines are running at 57% N 2 or above Air Line Pilots Association, International
How are the hydraulics to the nose wheel steering system disengaged? Air Line Pilots Association, International
By pressing the steering disengage button on the back of the yoke. Air Line Pilots Association, International
How are the hydraulics to the nose wheel steering system engaged? Air Line Pilots Association, International
By pressing down on the tiller. Air Line Pilots Association, International
What would be the proper response to an uncommanded swerving while on a taxiway or runway? Air Line Pilots Association, International
Press the nose wheel steering disconnect switch on the yoke. Do NOT engage the tiller! Air Line Pilots Association, International
How do you perform the first flight of the day flight controls test? Air Line Pilots Association, International
Flight Controls Test • Select MFD Hydraulic page — Check hydraulic reservoir tank quantity levels • Press the Nose Wheel Steering disengage button on back of control wheel — Verify the STEER INOP message on the EICAS • Select the HYD System 1 electric pump AUTO — Verify ELEC Pump ON and pressure indication on MFD — Verify operation of the ailerons and rudder • Select the HYD System 1 electric pump OFF • Select the HYD System 2 electric pump AUTO — Verify ELEC Pump ON and pressure indication on MFD — Verify operation of the ailerons and rudder • Select the HYD System 2 electric pump OFF Air Line Pilots Association, International
What happens when you pull the landing gear free fall lever? Air Line Pilots Association, International
-Gear uplocks are mechanically released -Landing gear hydraulic pressure is relieved Air Line Pilots Association, International
What happens if the electric gear over-ride switch is selected to GEAR/DOORS? Air Line Pilots Association, International
The Landing Gear Electronic Unit (LGEU) is electrically bypassed and the landing gear electro-valve is activated. Air Line Pilots Association, International
When is the cockpit dome light connected to the hot battery bus? Air Line Pilots Association, International
When the courtesy lights switch is in the AUTO position. Air Line Pilots Association, International
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