J-MODEL APU TEST EXAM 2024/2025
WITH 100% ACCURATE SOLUTIONS
List the 2 bold Emergency shutdown procedures in order.
Word for word - Precise Answer ✔✔1 APU fire handle
pulled 2. Agent discharged(for fire, if condition persists
discharge remaining bottle
What are the two acceptable ways to communicate
during APU start? - Precise Answer ✔✔Interphone and
visual communication
In a battery self contained APU start, do you have
firewarning detection? When? - Precise Answer ✔✔No,
when AC power is up and online
If the start light does not come on within___ seconds or by
the time the rpm reaches_____percent, place APU control
switch to stop. - Precise Answer ✔✔90, 50%
What is the starter duty cycle for the APU? - Precise
Answer ✔✔2nd- no wait/after turbine stops spinning. 3rd-
5 min. 4- 60 min and check starter
, What is the normal APU rpm operating range? - Precise
Answer ✔✔98-105
Your egt indicator must not exceed what temperature? -
Precise Answer ✔✔680 Celsius
How many degrees will the APU door open on the
ground? - Precise Answer ✔✔35 degrees
How many degrees will the APU door be open in the air? -
Precise Answer ✔✔15 degrees
What tank does the APU get fuel from? - Precise Answer
✔✔#2 main fuel tank
How many pounds of fuel are required when operating
APU? - Precise Answer ✔✔2,000 lbs in #2 main tank
What is the minimum DC volts required to start APU on
the ground? What about flight? - Precise Answer ✔✔22
volts dc ground, 24 volts dc flight
The APU fire handle de-energizes the circuit to the___
when pulled and closes the____. It also energizes___
system - Precise Answer ✔✔APU, APU door, fire
extinguishing
WITH 100% ACCURATE SOLUTIONS
List the 2 bold Emergency shutdown procedures in order.
Word for word - Precise Answer ✔✔1 APU fire handle
pulled 2. Agent discharged(for fire, if condition persists
discharge remaining bottle
What are the two acceptable ways to communicate
during APU start? - Precise Answer ✔✔Interphone and
visual communication
In a battery self contained APU start, do you have
firewarning detection? When? - Precise Answer ✔✔No,
when AC power is up and online
If the start light does not come on within___ seconds or by
the time the rpm reaches_____percent, place APU control
switch to stop. - Precise Answer ✔✔90, 50%
What is the starter duty cycle for the APU? - Precise
Answer ✔✔2nd- no wait/after turbine stops spinning. 3rd-
5 min. 4- 60 min and check starter
, What is the normal APU rpm operating range? - Precise
Answer ✔✔98-105
Your egt indicator must not exceed what temperature? -
Precise Answer ✔✔680 Celsius
How many degrees will the APU door open on the
ground? - Precise Answer ✔✔35 degrees
How many degrees will the APU door be open in the air? -
Precise Answer ✔✔15 degrees
What tank does the APU get fuel from? - Precise Answer
✔✔#2 main fuel tank
How many pounds of fuel are required when operating
APU? - Precise Answer ✔✔2,000 lbs in #2 main tank
What is the minimum DC volts required to start APU on
the ground? What about flight? - Precise Answer ✔✔22
volts dc ground, 24 volts dc flight
The APU fire handle de-energizes the circuit to the___
when pulled and closes the____. It also energizes___
system - Precise Answer ✔✔APU, APU door, fire
extinguishing
