Engine Inspection

Question 1

(Refer to Figure 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.

Answer 1

(B), (1).

Question 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?

Answer 2

Aircraft Specifications / Type Certificate Data Sheets.

Question 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?

Answer 3

Exhaust gas temperature.

Question 4

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

Answer 4

visually inspected for any indication of cracks or an operational carbon monoxide detection test should be done.

Question 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.

Answer 5

Both 1 and 2 are true.

Question 6

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

Answer 6

14 CFR Part 43 Appendix D.

Question 7

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

Answer 7

As specified in the AD.

Question 8

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

Answer 8

Propeller Type Certificate Data Sheets.

Question 9

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

Answer 9

Check cylinder compression.

Question 10

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

Answer 10

The total piston displacement of the engine.

Question 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?

Answer 11

The aircraft engine specifications.

Question 12

Straightening nitrided crankshafts is…

Answer 12

not recommended.

Question 13

The breaking loose of small pieces of metal from coated surfaces, usually caused by defective plating or excessive loads, is called what?

Answer 13

flaking.

Question 14

Each powerplant installed on an airplane with a Standard Airworthiness Certificate must have been what?

Answer 14

type certificated.

Question 15

A severe condition of chafing or fretting in which a transfer of metal from one part to another occurs is called what?

Answer 15

galling.

Question 16

Indentations on bearings races caused by high static loads are known as what?

Answer 16

brinelling.

Question 17

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

Answer 17

Aircraft Engine Specifications or Type Certificate Data Sheets.

Question 18

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

Answer 18

Certificated mechanic with inspection authorization.

Question 19

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

Answer 19

14 CFR Part 43.

Question 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 what?

Answer 20

14 CFR Part 23.

Question 21

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

Answer 21

Manufacturer’s maintenance instructions when FAA approved.

Question 22

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

Answer 22

Entries in the engine maintenance record and FAA Form 337.

Question 23

A ground incident that results in propeller sudden stoppage would require a crankshaft runout inspection. What publication would be used to obtain crankshaft run-out tolerance?

Answer 23

Current manufacturer’s maintenance instructions.

Question 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.

Answer 24

Applies to all IVO-355 engines, serial numbers T8000 through T8300, with 2,100 hours total time and 300 hours since rebuilding.

Question 25

What publication contains the mandatory replacement time for parts of a turbine engine?

Answer 25

Engine manufacturer’s service instructions.

Question 26

How is the flow range of the fuel discharge nozzles installed in a fuel injected reciprocating engine indicated?

Answer 26

By a letter stamped on the hex of the nozzle body.

Question 27

What section in the instructions for continued Airworthiness is FAA approved?

Answer 27

Airworthiness limitations section.

Question 28

Which of the following conditions is usually not acceptable to any extent in turbine blades?

Answer 28

Cracks.

Question 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.

Answer 29

Only 1 is true.