Engine Maintenance and
Operation Exam Graded A+
The major purpose of an engine overhaul is to
A. extend the life of the cylinders and pistons.
B. inspect, repair, and replace worn engine parts.
C. evaluate the airworthiness of the crankshaft and bearings. - CORRECT
ANSWER-B
The receiving inspection for an engine needing to be overhauled
A. includes checking the airworthiness directives, service bulletins and type
certificate compliance.
B. includes an ultra-sound or eddy current inspection of the unassembled engine.
C. is performed in conjunction with tear-down of the engine. - CORRECT
ANSWER-A
Indentations on bearing races caused by high static loads are known as
, A. fretting.
B. brinelling.
C. galling. - CORRECT ANSWER-B
A severe condition of chafing or fretting in which a transfer of metal from one part
to another occurs is called
A. scoring.
B. burning.
C. galling. - CORRECT ANSWER-C
The breaking loose of small pieces of metal from coated surfaces, usually caused
by defective plating or excessive loads is called
A. flaking.
B. chafing.
C. brinelling. - CORRECT ANSWER-A
During visual inspection while overhauling an engine, the piston heads were
depressed. This is a sign that
A. the engine was running normally.
B. pre-ignition had occurred.
C. detonation had occurred. - CORRECT ANSWER-C
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Operation Exam Graded A+
The major purpose of an engine overhaul is to
A. extend the life of the cylinders and pistons.
B. inspect, repair, and replace worn engine parts.
C. evaluate the airworthiness of the crankshaft and bearings. - CORRECT
ANSWER-B
The receiving inspection for an engine needing to be overhauled
A. includes checking the airworthiness directives, service bulletins and type
certificate compliance.
B. includes an ultra-sound or eddy current inspection of the unassembled engine.
C. is performed in conjunction with tear-down of the engine. - CORRECT
ANSWER-A
Indentations on bearing races caused by high static loads are known as
, A. fretting.
B. brinelling.
C. galling. - CORRECT ANSWER-B
A severe condition of chafing or fretting in which a transfer of metal from one part
to another occurs is called
A. scoring.
B. burning.
C. galling. - CORRECT ANSWER-C
The breaking loose of small pieces of metal from coated surfaces, usually caused
by defective plating or excessive loads is called
A. flaking.
B. chafing.
C. brinelling. - CORRECT ANSWER-A
During visual inspection while overhauling an engine, the piston heads were
depressed. This is a sign that
A. the engine was running normally.
B. pre-ignition had occurred.
C. detonation had occurred. - CORRECT ANSWER-C
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
