Engine Inspection Tests Questions And
Answers A+ Graded
1. What determines whether or not a 100-hour inspection is required for an aircraft?
CORRECT ANSWERS 100-hour inspections are required only on aircraft that carry
persons for hire or are used to give flight instruction for hire.
2. Where can you find a list of items that should be inspected on a 100-hour and an
annual inspection of an aircraft engine? CORRECT ANSWERS In Appendix D of 14
CFR Part 43.
3. In what publication can a mechanic find the operating limitations for an aircraft
engine? CORRECT ANSWERS In the Type Certificate Data Sheets for the engine.
4. Who is authorized to perform the powerplant inspection that is required for an annual
inspection? CORRECT ANSWERS An A&P mechanic who holds an Inspection
Authorization.
5. What are two types of compression checks that can be performed on an aircraft
reciprocating engine? CORRECT ANSWERS A differential compression check and a
direct compression check.
6. What items are checked in a hot section inspection of a turbine engine? CORRECT
ANSWERS The combustion section is checked for cracks or distortion. The turbine
wheel the turbine case and the exhaust section are checked for cracks indications of
overheating and any indication of warpage erosion or burning.
7. What is the most common type of damage that is found in the hot section of a turbine
engine? CORRECT ANSWERS Cracks that are caused by the high concentration of
heat in the hot section.
8. Is the use of a checklist required when performing an annual or 100-hour inspection
on an aircraft engine? CORRECT ANSWERS Yes.
9. What inspection must be performed on an aircraft reciprocating engine if it has been
operated on turbine fuel? CORRECT ANSWERS The inside of the cylinders must be
inspected with a borescope. The oil must be changed and the filters examined,and the
engine given a careful run-up and operational check
Answers A+ Graded
1. What determines whether or not a 100-hour inspection is required for an aircraft?
CORRECT ANSWERS 100-hour inspections are required only on aircraft that carry
persons for hire or are used to give flight instruction for hire.
2. Where can you find a list of items that should be inspected on a 100-hour and an
annual inspection of an aircraft engine? CORRECT ANSWERS In Appendix D of 14
CFR Part 43.
3. In what publication can a mechanic find the operating limitations for an aircraft
engine? CORRECT ANSWERS In the Type Certificate Data Sheets for the engine.
4. Who is authorized to perform the powerplant inspection that is required for an annual
inspection? CORRECT ANSWERS An A&P mechanic who holds an Inspection
Authorization.
5. What are two types of compression checks that can be performed on an aircraft
reciprocating engine? CORRECT ANSWERS A differential compression check and a
direct compression check.
6. What items are checked in a hot section inspection of a turbine engine? CORRECT
ANSWERS The combustion section is checked for cracks or distortion. The turbine
wheel the turbine case and the exhaust section are checked for cracks indications of
overheating and any indication of warpage erosion or burning.
7. What is the most common type of damage that is found in the hot section of a turbine
engine? CORRECT ANSWERS Cracks that are caused by the high concentration of
heat in the hot section.
8. Is the use of a checklist required when performing an annual or 100-hour inspection
on an aircraft engine? CORRECT ANSWERS Yes.
9. What inspection must be performed on an aircraft reciprocating engine if it has been
operated on turbine fuel? CORRECT ANSWERS The inside of the cylinders must be
inspected with a borescope. The oil must be changed and the filters examined,and the
engine given a careful run-up and operational check
