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|  STUDENT GUIDE T-39N/G NATOPS
UNIT ONE REVIEW QUESTIONS
1.
The T-39N/G uses turbojet engines designated _______________.
2.
T-39N/G engines are rated at _______________ lbs of thrust at sea level.
3.
The two stage reaction turbine drives the _______________.
4.
The nine stage axial-flow compressor drives the _______________.
5.
Fuel flow to the burners is metered by _______________.
6.
Starter/generators act as starters until _______________ % rpm.
7.
Start sequence may be terminated by _______________.
8. Ignition is provided during start by _______________ igniters provided the
_______________ switches are ON and the throttles are at IDLE.
9.
The ignition duty cycle is
_____ min ON, _____ min OFF
_____ min ON, _____ min OFF
10. Start abort criteria:
RPM fails to reach 8-10% in __________ seconds
Fuel flow outside __________ to __________ lbs/hr
EGT rises above __________ C (or rapidly through __________ C)
No oil pressure in __________ seconds
Fails to reach idle rpm in __________ seconds
11. The use of CONTINUOUS ignition is limited by the ignition duty cycle. (TRUE/FALSE)
12. The primary reference for setting power is the _______________. Providing EGT and
RPM are not exceeded.
1-8
ENGINES
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