General - Aircraft Drawings

1. 1. According to 14 CFR Part 91, repairs to an aircraft skin should have a detailed dimensional sketch included in the permanent records.

2. 2. On occasion, a mechanic may need to make a simple sketch of a proposed repair to an aircraft, a new design, or a modification.

   Regarding the above statements,

• Only 1 is true

• Only 2 is true

• Both 1 and 2 are true

1. 1. Schematic diagrams indicate the location of individual components in the aircraft.

2. 2. Schematic diagrams indicate the location of components with respect to each other within the same system.

   Regarding the above statements,

• Only 1 is true

• Both 1 and 2 are true

• Only 2 is true

(Refer to Figure 41) Determine the fuel consumption with the engine operating at cruise, 2,350 RPM.

• 49.2 pounds per hour

• 51.2 pounds per hour

• 55.3 pounds per hour

Which of the following terms is/are used to indicate specific measured distances from the datum and/or other points identified by the manufacturer, to points in or on the aircraft?

1. 1. Zone numbers

2. 2. Reference numbers

3. 3. Station numbers

• 1 and 3

• 3

• 2

(Refer to Figure 40) Determine the proper tension for a 3/16-inch cable (7 x 19 extra flex) if the temperature is 87 degrees F.

• 135 pounds

• 125 pounds

• 140 pounds

In order to locate wing and stabilizer frames, what numbering system is used?

• Dimension numbers

• Station numbers

• Scale numbers

(Refer to Figure 34) What would be the minimum diameter of 4130 round stock required for the construction of the clevis that would produce a machined surface?

• 55/64 inch

• 1 inch

• 7/8 inch

In the reading of aircraft blueprints, the term 'tolerance,' used in association with aircraft parts or components,

• is the tightest permissible fit for proper construction and operation of mating parts

• is the difference between extreme permissible dimensions that a part may have and still be acceptable

• represents the limit of galvanic compatibility between different adjoining material types in aircraft parts

(Refer to Figure 38) An aircraft reciprocating engine has a 1,830 cubic-inch displacement and develops 1,250 brake-horsepower at 2,500 RPM. What is the brake mean effective pressure?

• 217

• 205

• 225

(Refer to Figure 40) Determine the proper tension for a 1/8-inch cable (7 x 19) if the temperature is 80 degrees F.

• 70 pounds

• 75 pounds

• 80 pounds