Engine Inspection

Question 1

1. Determine which portion of the AD is applicable for Model O-690 series engine, serial No. 5863-40 with 283 hours’ time in service.

This is the compliance portion of an FAA Airworthiness Directive. Compliance required as indicated:
(A) For model O-690 series engines, serial Nos. 101-40 through 5264-40 and IO-690 series engines, serial Nos. 101-48 through 423-48, compliance with (C) required within 25 hours’ time in service after the effective date of this AD and every 100 hours’ time in service thereafter.
(B) For Model O-690 series engines, serial Nos. 5265-40 through 6129-40 and IO-690 series engines, serial Nos. 424-48 through 551-48, compliance with (C) required as follows:
(1) Within 25 hours’ time in service after the effective date of this AD and every 100 hours’ time in service thereafter for engines with more than 275 hours’ time in service on the effective date of this AD.
(2) Prior to the accumulation of 300 hours total time in service and every 100 hours’ time in service thereafter for engines with 275 hours or less time in service on the effective date of this. AD.
(C) Inspect the oil pump drive shaft (P/N 67512) on applicable engines in accordance with instructions contained in Connin Service Bulletin No. 295. Any shafts which are found to be damaged shall be replaced before further flight. These inspections shall be continued until Connin P/N 67512 (redesigned) or P/N 74641 oil pump drive shaft is installed at which time the inspections may be discontinued.

a. (B), (1)
b. (A)
c. (B), (2)

Answer 1

a.

Question 2

2. 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?

a. Summary of Supplemental Type Certificate
b. Aircraft Specifications/Type Certificate Data Sheets
c. Aircraft Engine and Propeller Specifications/Type Certificate Data Sheets

Answer 2

b.

Question 3

3. 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?

a. Engine oil pressure
b. Exhaust gas temperature
c. Engine pressure ratio

Answer 3

b.

Question 4

4. On a reciprocating engine aircraft using a shrouded exhaust muffler system as a source for cabin heat, the exhaust system should be

a. visually inspected for any indication of cracks or an operational carbon monoxide detection test should be done.
b. replaced at each reciprocating engine overhaul by a new or overhauled exhaust system or an hydrostatic test should be accomplished.
c. removed and the exhaust muffler checked for cracks by using magnetic particle inspection method or an hydrostatic test should be done on the exhaust muffler.

Answer 4

a.

Question 5

5. (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.
   Regarding the above statements,

a. only No. 1 is true
b. only No. 2 is true
c. both No. 1 and No. 2 are true

Answer 5

c.

Question 6

6. Which of the following contains a minimum checklist for 100-hour inspections of engines?

a. 14 CFR Part 33 Appendix A
b. 14 CFR Part 43 Appendix D
c. Engine Specifications or Type Certificate Data Sheets

Answer 6

b.

Question 7

7. When must an Airworthiness Directive (AD) be complied with after it becomes effective?

a. As specified in the AD
b. During the next scheduled inspection
c. At the next scheduled overhaul

Answer 7

a.

Question 8

8. Which of the following contains a table that lists the engines to which a given propeller is adaptable?

a. Aircraft Type Certificate Data Sheets
b. Propeller Type Certificate Data Sheets
c. Engine Type Certificate Data Sheets

Answer 8

b.

Question 9

9. Which of the following component inspections is to be accomplished on a 100-hour inspection?

a. Check internal timing of magneto
b. Check cylinder compression
c. Check valve timing

Answer 9

b.

Question 10

10. You are performing a 100-hour inspection on an R985-22 aircraft engine. What does the ‘985’ indicate?

a. The total piston displacement of the engine
b. The pistons will pump a maximum of 985 cubic inches of air per crankshaft revolution
c. The total piston displacement of one cylinder

Answer 10

a.

Question 11

11. Where would one find type design information for an R1830-92 engine certificated under the Civil Air Regulations (CAR) and installed on a DC-3?

a. The Aircraft Specifications and Type Certificate Data Sheet
b. The Aircraft Engine Specifications
c. The Aircraft Engine Type Certificate Handbook

Answer 11

b.

Question 12

12. Straightening nitrided crankshafts is

a. recommended
b. not recommended
c. approved by the manufacturer

Answer 12

b.

Question 13

13. 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

Answer 13

a.

Question 14

14. Each powerplant installed on an airplane with a Standard Airworthiness Certificate must have been

a. type certificated
b. manufactured under the TSO system
c. originally certificated for that aircraft

Answer 14

a.

Question 15

15. 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

Answer 15

c.

Question 16

16. Indentations on bearing races caused by high static loads are known as

a. fretting
b. brinelling
c. galling

Answer 16

b.

Question 17

17. When inspecting an aircraft reciprocating engine what document is used to determine if the proper magnetos are installed?

a. Instruction for continued airworthiness issued by the engine manufacturer
b. Engine Manufacturer’s Maintenance Manual
c. Aircraft Engine Specifications or Type Certificate Data Sheets

Answer 17

c.

Question 18

18. Which of the following can inspect and approve an engine major repair for return to service?

a. certificated mechanic with airframe and powerplant ratings
b. certificated mechanic with a powerplant rating
c. certificated mechanic with inspection authorization

Answer 18

c.

Question 19

19. What publication is used for guidance to determine whether a powerplant repair is major or minor?

a. Airworthiness Directives
b. Federal Aviation Regulations, Part 43, appendix A
c. Technical Standard Orders

Answer 19

b.

Question 20

20. The airworthiness standards for the issue of type certificates for small airplanes with nine or less passenger seats in the normal, utility, and acrobatic categories may be found in the

a. Federal Aviation Regulations, Part 23
b. Supplemental Type Certificate
c. Federal Aviation Regulations, Part 21

Answer 20

a.

Question 21

21. Which of the following contains approved data for performing a major repair to an aircraft engine?

a. Engine Type Certificate Data Sheets
b. Supplemental Type Certificates
c. Manufacturer’s maintenance instructions when FAA approved

Answer 21

c.

Question 22

22. What maintenance record(s) is/are required following a major repair of an aircraft engine?

a. Entries in engine maintenance records and a list of discrepancies for the FAA
b. Entries in the engine maintenance record and FAA Form 337
c. Entry in logbook

Answer 22

b.

Question 23

23. A ground incident that results in propeller sudden stoppage would require d crankshaft runout inspection. What publication would be used to obtain crankshaft runout tolerance?

a. Current manufacturer’s maintenance instructions
b. Type Certificate Data Sheet
c. AC 43.13-1A, Acceptable Methods, Techniques, and Practices – Aircraft Inspection and Repair

Answer 23

a.

Question 24

24. Select the Airworthiness Directive applicability statement which applies to an IVO-355 engine, serial number T8164, with 2,100 hours’ total time and 300 hours since rebuilding.

a. Applies to all IVO-355 engines, serial numbers T8000 through T8300, having less than 2,400 hours’ total time
b. Applies to all IVO-355 engines, serial numbers T8000 through T8900 with 2,400 hours or more total time
c. Applies to all I.O. and TV10-355 engines, all serial numbers regardless of total time or since overhaul.

Answer 24

a.

Question 25

25. What publication contains the mandatory replacement time for parts of a turbine engine? a. Engine Manufacturer's service instructions b. Airworthiness directive issued by the engine manufacturer c. Engine Manufacturer's maintenance manual

Answer 25

a.

Question 26

26. How are discharge nozzles in a fuel injected reciprocating engine identified to indicate the flow range? a. by an identification letter stamped on one of the hexes of the nozzle body b. by an identification metal tag attached to the nozzle body c. by color codes on the nozzle body

Answer 26

a.

Question 27

27. What section in the instructions for continued airworthiness is FAA approved? a. engine maintenance manual or section b. engine overhaul manual or section c. airworthiness limitations section

Answer 27

c.

Question 28

28. Which of the following conditions is usually not acceptable to any extent in turbine blades? a. cracks b. pits c. dents

Answer 28

a.

Question 29

29. (1) Serviceability limits for turbine blades are much more stringent than are those for turbine nozzle vanes. (2) A limited number of small nicks and dents can usually be permitted in any area of a turbine blade. Regarding the above statements, a. both No. 1 and No. 2 are true b. neither No. 1 nor No. 2 is true c. only No. 1 is true

Answer 29

c.