15.21 ENGINE MONITORING

Question 1

before any engine start what check must be done on the engine

Answer 1

engine air inlet checked for free movement and any FOD

Question 2

how must the aircraft be positioned for engine runs

Answer 2

into the wind

Question 3

how long must an engine run at idle and why

Answer 3

at least 5 minutes to prevent seizure of rotors

Question 4

when an engine is running what is the most important parameter

Answer 4

exhaust gas temperature

Question 5

what is the torque monitoring system used for

Answer 5

indicates power developed by a turboprop or truboshaft engine

Question 6

whats does ACMS stand for

Answer 6

aircraft condition monitoring system

Question 7

explain when ACMS reports are generated

Answer 7

first 4 flights

Question 8

after the first 4 ACMS reports when are the next take offs recorded

Answer 8

35 takeoffs

Question 9

what 4 categories can magnetic particles be divided into

Answer 9

swarf, magnetic fines, metal flakes, chip

Question 10

how do we inspect engines

Answer 10

boroscopes

Question 11

what do modern engines use to monitor vibration

Answer 11

piezoelectric accelerometer

Question 12

whats the process of cleaning the compressor known as

Answer 12

desalination wash

Question 13

what does FOD stand for

Answer 13

foreign object damage