ATR 72 600 POWER PLANT EXAM
2025 QUESTIONS AND ANSWERS
Engine Type - ....ANSWER ...-P&W 127 M
How many shafts and whatvare they? - ....ANSWER ...-High
pressure
Low Pressure
Power Turbine
where does NH gets its reading? - ....ANSWER ...-roation speed
of HP spool
what drives accesory gear box? - ....ANSWER ...-HP spool
where does NL gets its reading? - ....ANSWER ...-Low pressure
spool
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, what drives the propeller? - ....ANSWER ...-power turbine via
reduction gear box?
what 3 units does accesory gear box drive? - ....ANSWER ...-1.
DC strarter/ geberator
2. HP fuel pump
3. Engine oil pump
name the 5 equipment fitted on the reduction gear box -
....ANSWER ...-1. ACW gen
2. prop valve module
3. prop pump & overspeed governor
4. aux feathering pump
5. prop break on RH eng
power rating of RTO? - ....ANSWER ...-2750 SHP
Power rating of MCT? - ....ANSWER ...-2500 SHP
Power rating for TO? - ....ANSWER ...-2475 SHP
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
2025 QUESTIONS AND ANSWERS
Engine Type - ....ANSWER ...-P&W 127 M
How many shafts and whatvare they? - ....ANSWER ...-High
pressure
Low Pressure
Power Turbine
where does NH gets its reading? - ....ANSWER ...-roation speed
of HP spool
what drives accesory gear box? - ....ANSWER ...-HP spool
where does NL gets its reading? - ....ANSWER ...-Low pressure
spool
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, what drives the propeller? - ....ANSWER ...-power turbine via
reduction gear box?
what 3 units does accesory gear box drive? - ....ANSWER ...-1.
DC strarter/ geberator
2. HP fuel pump
3. Engine oil pump
name the 5 equipment fitted on the reduction gear box -
....ANSWER ...-1. ACW gen
2. prop valve module
3. prop pump & overspeed governor
4. aux feathering pump
5. prop break on RH eng
power rating of RTO? - ....ANSWER ...-2750 SHP
Power rating of MCT? - ....ANSWER ...-2500 SHP
Power rating for TO? - ....ANSWER ...-2475 SHP
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2