Chapter 11 · ASM170/175 · 42 questions
Each hydraulic system has an EDP (engine driven pump) and an ACMP (A/C motor pump). (T/F)
Can hydraulic fluid be transferred between the systems?
Which hydraulic ACMP (A/C motor pump) can be powered by the RAT (Ram Air Turbine) in the event of an AC power failure?
Hydraulic system 3 powers which flight controls?
The EDPs (engine driven pumps) normally deliver hydraulic fluid at _____ psi to the system's associated hydraulically-powered systems.
The AC powered pumps in hydraulic system 3 include:
How many hydraulic systems are on the airplane?
What systems use hydraulic power?
How many hydraulic pumps are on the aircraft?
How many electric hydraulic pumps (ACMPs) are used for hydraulic systems 1 and 2?
How long after power-up should you wait before any hydraulic pumps should be turned on and why?
What is the primary and back-up source of hydraulic pressure for systems 1 and 2?
What is the primary and back-up source of hydraulic pressure for system 3?
When will the HYD AC Motor Pump 1 or 2 automatically activate on the ground?
When will the hydraulic AC Motor Pump 1 or 2 automatically activate in flight?
Can we disable the Engine Driven hydraulic pump (EDP) by pressing the SYS 1 or SYS 2 ENGINE PUMP SHUTOFF button in?
If the SYS 1 or SYS 2 ENGINE PUMP SHUTOFF button is pushed in will the respective Engine Driven hydraulic pump (EDP) keep running?
What happens when pushing in the HYD SYS 1 or SYS 2 ENGINE PUMP SHUTOFF guarded buttons?
What is the PTU?
How does the PTU work?
Will the PTU operate on the ground if in AUTO?
The PTU is used to assist in landing gear operation should the right engine (#2) or right EDP (engine driven pump) fail. (T/F)
What is the purpose of PTU?
Does fluid transfer occur between the two HYD systems during PTU operation?
The PTU uses hydraulic power from system 1 to provide pressure to system 2 to guarantee normal operation of which system?
What conditions must be met for the PTU to automatically activate during Takeoff or Landing?
Why is there a PTU when the #2 electric pump is the backup to the #2 engine pump?
What is the primary purpose of hydraulic system 3?
Why does hydraulic AC Motor Pump (ACMP) 3A have an ON position?
Why does hydraulic AC Motor Pump (ACMP) 3B have an AUTO position?
What is the purpose of the hydraulic AC Motor Pump (ACMP) 1 and AC Motor Pump (ACMP) 2?
Why does the selector knob for hydraulic systems 1 and 2 ELEC PUMPs have an ON position?
Which hydraulic AC Motor Pump(s) (ACMP) is(are) automatically switched ON for takeoff and landing?
If both engines fail what provides hydraulic pressure to the flight controls until the RAT comes on line?
If both engines fail, what provides hydraulic pressure to flight controls after the RAT has deployed?
What hydraulic AC Motor Pump(s) (ACMP) will function if the RAT is the only power source?
Using RAT power if hydraulic AC Motor Pump (ACMP) 3A fails, will hydraulic AC Motor Pump (ACMP) 3B operate?
What are some items on hydraulic system 2 that are different from hydraulic system 1?
The hydraulic PBIT will run when?
What will interrupt the hydraulic PBIT?
During cold weather operations, if PBIT countdown timer has reached 25 hours or less what is required after shutdown at the arrival gate?
When must a hydraulic warm-up be accomplished?