10/30/25, 5:54 AM AMS 272 UNIT 3 Questions with Correct Answers Flashcards | Quizlet
AMS 272 UNIT 3 Questions with Correct Answers
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Terms in this set (46)
What is kickback caused improper timing, pre ignition
by?
What motors use series
intermittent operation?
What motors use shunt
continuous operation?
How long is intermittent less than 2 minutes
operation?
How long is continuous more than 2 minutes
operation?
What type of motor is a series
starter motor?
What is an issue that often they can runaway with no load on
occurs with series wound
motors?
Starter generator terminal: generator field circuit
A
Starter generator terminal: positive gen bus
B
Starter generator terminal: STARTER CIRCUIT
C
https://quizlet.com/1100913458/ams-272-unit-3-questions-with-correct-answers-flash-cards/?new 1/5
, 10/30/25, 5:54 AM AMS 272 UNIT 3 Questions with Correct Answers Flashcards | Quizlet
Starter generator terminal: negative ground
E
What disconnects the the undercurrent relay
power from the gen
starter in a turbine engine
during start up?
What disconnects the 50% RPM switch or time limiting circuit (90sec)
power from the gen
starter in the APU during
start up?
The purpose of an Disconnect power from the starter/generator and
undercurrent relay in an ignition when sufficient engine operating speed is
aircraft's starter/generator achieved.
system is to
What is an ignition system Joules (watt-seconds)
rated in?
Purpose of a bleed bleeds off the charge of the capacitors so you dont
resistor die when removing ignitors
Thermocouples are made chromel or alumel
of
What does a typical -2 ignition exciters
turbine engine ignition -2 high tension leads
system consist of? -2 igniters
1. pull CB
2. wait 10 mins
Steps for ignitor removal
3. disconnect ignitor lead at plug
4. short it to ground (redundancy)
What type of engine is an turbo shaft in the aft fuselage
APU and where is it
usually located?
How does the APU door it's electrically actuated along with the vortex
flap? generator and is stopped by limit switches
https://quizlet.com/1100913458/ams-272-unit-3-questions-with-correct-answers-flash-cards/?new 2/5
AMS 272 UNIT 3 Questions with Correct Answers
Save
Terms in this set (46)
What is kickback caused improper timing, pre ignition
by?
What motors use series
intermittent operation?
What motors use shunt
continuous operation?
How long is intermittent less than 2 minutes
operation?
How long is continuous more than 2 minutes
operation?
What type of motor is a series
starter motor?
What is an issue that often they can runaway with no load on
occurs with series wound
motors?
Starter generator terminal: generator field circuit
A
Starter generator terminal: positive gen bus
B
Starter generator terminal: STARTER CIRCUIT
C
https://quizlet.com/1100913458/ams-272-unit-3-questions-with-correct-answers-flash-cards/?new 1/5
, 10/30/25, 5:54 AM AMS 272 UNIT 3 Questions with Correct Answers Flashcards | Quizlet
Starter generator terminal: negative ground
E
What disconnects the the undercurrent relay
power from the gen
starter in a turbine engine
during start up?
What disconnects the 50% RPM switch or time limiting circuit (90sec)
power from the gen
starter in the APU during
start up?
The purpose of an Disconnect power from the starter/generator and
undercurrent relay in an ignition when sufficient engine operating speed is
aircraft's starter/generator achieved.
system is to
What is an ignition system Joules (watt-seconds)
rated in?
Purpose of a bleed bleeds off the charge of the capacitors so you dont
resistor die when removing ignitors
Thermocouples are made chromel or alumel
of
What does a typical -2 ignition exciters
turbine engine ignition -2 high tension leads
system consist of? -2 igniters
1. pull CB
2. wait 10 mins
Steps for ignitor removal
3. disconnect ignitor lead at plug
4. short it to ground (redundancy)
What type of engine is an turbo shaft in the aft fuselage
APU and where is it
usually located?
How does the APU door it's electrically actuated along with the vortex
flap? generator and is stopped by limit switches
https://quizlet.com/1100913458/ams-272-unit-3-questions-with-correct-answers-flash-cards/?new 2/5
