Power plant- Engine Maintenance &
Operation Exam Questions And Answers
Each powerplant installed on an airplane with a Standard
Airworthiness Certificate must have been -
correct answer ✅type certificated.
(1) Airworthiness Directives are Federal Aviation Regulations and
must be complied with unless specific exemption is granted.(2)
Airworthiness Directives of an emergency nature may require
immediate compliance upon receipt. -
correct answer ✅both 1 and 2 are true
A severe condition of chafing or fretting in which a transfer of metal
from one part to another occurs is called -
correct answer ✅galling
On a reciprocating engine aircraft using a shrouded exhaust muffler
system as a source for cabin heat, the exhaust system should be -
correct answer ✅visually inspected for any indication of cracks or
an operational carbon monoxide detection test should be done
(1) Serviceability limits for turbine blades are much more stringent
than are those for turbine nozzle vanes. -
correct answer ✅only 1 is true
,Power plant- Engine Maintenance &
Operation Exam Questions And Answers
Which of the following contains a minimum checklist for 100-hour
inspections of engines? -
correct answer ✅14 CFR Part 43 Appendix D.
A Cessna 180 aircraft has a McCauley propeller Model No.
2A34C50/90A. The propeller is severely damaged in a ground
accident, and this model propeller is not available for replacement.
Which of the following should be used to find an approved
alternate replacement? -
correct answer ✅Aircraft Specifications/Type Certificate Data
Sheets.
How is the flow range of the fuel discharge nozzles installed in a
fuel injected reciprocating engine indicated? -
correct answer ✅By a letter stamped on the hex of the nozzle
body.
Which of the following is used to monitor the mechanical integrity
of the turbines, as well as to check engine operating conditions of a
turbine engine? -
correct answer ✅Exhaust gas temperature.
, Power plant- Engine Maintenance &
Operation Exam Questions And Answers
Indentations on bearing races caused by high static loads are
known as -
correct answer ✅brinelling.
Which of the following can inspect and approve an engine major
repair for return to service? -
correct answer ✅Certificated mechanic with inspection
authorization.
The breaking loose of small pieces of metal from coated surfaces,
usually caused by defective plating or excessive loads, is called -
correct answer ✅flaking
A ground incident that results in propeller sudden stoppage would
require a crankshaft runout inspection. What publication would be
used to obtain crankshaft runout tolerance? -
correct answer ✅Current manufacturer's maintenance
instructions.
Straightening nitrided crankshafts is -
correct answer ✅not recommended
Operation Exam Questions And Answers
Each powerplant installed on an airplane with a Standard
Airworthiness Certificate must have been -
correct answer ✅type certificated.
(1) Airworthiness Directives are Federal Aviation Regulations and
must be complied with unless specific exemption is granted.(2)
Airworthiness Directives of an emergency nature may require
immediate compliance upon receipt. -
correct answer ✅both 1 and 2 are true
A severe condition of chafing or fretting in which a transfer of metal
from one part to another occurs is called -
correct answer ✅galling
On a reciprocating engine aircraft using a shrouded exhaust muffler
system as a source for cabin heat, the exhaust system should be -
correct answer ✅visually inspected for any indication of cracks or
an operational carbon monoxide detection test should be done
(1) Serviceability limits for turbine blades are much more stringent
than are those for turbine nozzle vanes. -
correct answer ✅only 1 is true
,Power plant- Engine Maintenance &
Operation Exam Questions And Answers
Which of the following contains a minimum checklist for 100-hour
inspections of engines? -
correct answer ✅14 CFR Part 43 Appendix D.
A Cessna 180 aircraft has a McCauley propeller Model No.
2A34C50/90A. The propeller is severely damaged in a ground
accident, and this model propeller is not available for replacement.
Which of the following should be used to find an approved
alternate replacement? -
correct answer ✅Aircraft Specifications/Type Certificate Data
Sheets.
How is the flow range of the fuel discharge nozzles installed in a
fuel injected reciprocating engine indicated? -
correct answer ✅By a letter stamped on the hex of the nozzle
body.
Which of the following is used to monitor the mechanical integrity
of the turbines, as well as to check engine operating conditions of a
turbine engine? -
correct answer ✅Exhaust gas temperature.
, Power plant- Engine Maintenance &
Operation Exam Questions And Answers
Indentations on bearing races caused by high static loads are
known as -
correct answer ✅brinelling.
Which of the following can inspect and approve an engine major
repair for return to service? -
correct answer ✅Certificated mechanic with inspection
authorization.
The breaking loose of small pieces of metal from coated surfaces,
usually caused by defective plating or excessive loads, is called -
correct answer ✅flaking
A ground incident that results in propeller sudden stoppage would
require a crankshaft runout inspection. What publication would be
used to obtain crankshaft runout tolerance? -
correct answer ✅Current manufacturer's maintenance
instructions.
Straightening nitrided crankshafts is -
correct answer ✅not recommended
