The Ultimate Aircraft Drawing Quiz! Trivia

What is the class of working drawing that is the description/depiction of a single part?

• Installation drawing.

• Assembly drawing.

• Detail drawing.

1) A detailed drawing is a description of a single part. 2) An assembly drawing is a description of an object made up of two or more parts. Regarding the above statements,

• Only No. 1 is true.

• Neither No. 1 nor No. 2 is true.

• Both No. 1 and No. 2 are true.

What material symbol is frequently used in drawings to represent all metals?

• Steel.

• Cast iron.

• Aluminum.

The measurements showing the ideal or "perfect sizes of parts on drawings are called

• Tolerances.

• Allowances.

• Dimensions.

The diameter of the holes in the finished object is

• 3/4 inch.

• 31/64 inch.

• 1/2 inch.

Identify the extension line.

• 3.

• 1.

• 4.

A _________ drawing depicits the assembled relationships between two or more parts.

A hydraulic system schematic drawing would indicate the 

• Specific location of the individual components within the aircraft.

• Direction of fluid flow through the system.

• Type and quantity of the hydraulic fluid.

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.

Zone numbers on aircraft blueprints are used to

• Locate parts, sections, and views on large drawings.

• Indicate different sections of the aircraft.

• Locate parts in the aircraft.

What is the maximum diameter of the hole for the clevis pin?

• 0.3175

• 0.3130

• 0.31255

One purpose for schematic diagrams is to show the

• Functional location of components within a system.

• Physical location of components within a system.

• Size and shape of components within a system.

What type of line is normally used in a mechanical drawing or blueprint to represent an edge or object not visible to the viewer?

• Medium-weight dashed line.

• Medium solid line.

• Alternate short and long light dashes.

What is the allowable manufacturing tolerance for a bushing where the outside dimensions shown on the blueprint are: 1.0625 +.0025 -.0003

• .0028

• 1.0650

• 1.0647

What is the next step required for a working sketch of the illustration?

• Darken the object outlines.

• Sketch extension and dimension lines.

• Add notes, dimensions, title, and date.

What should be the first step of the procedure in sketching an aircraft wing skin repair?

• Draw heavy guidelines.

• Lay out the repair.

• Block in the views.

Determine the minimum wire size of a single cable in a bundle carrying a continuous current of 20 amperes 10 feet from the bus to the equipment in a 28-colt system with an allowable 1-volt drop.

• No. 12.

• No. 14.

• No. 16.

The drawings often used in illustrated parts manuals are

• Exploded view drawings.

• Black drawings.

• Detail drawings.

An aircraft reciprocating engine has a 2,800 cubic-inch displacement, develops 2,000 brake-horsepower, and indicates 270 brakes mean effective pressure. What is the engine speed (RPM)?

• 2,200.

• 2,100.

• 2,300.

For the sketching purposes, almost all objects are composed of one or some combination of six basic shapes; these include the

• Angle, arc, line, plane, square, and circle.

• Triangle, circle, cube, cylinder, cone, and sphere.

• Triangle, plane, circle, line, square, and sphere.

In what type of electrical diagram are images of components used instead of conventional electrical symbols?

• A pictorial diagram.

• A schematic diagram.

• A block diagram.

Which material section-line symbol indicates cast iron?

• 1.

• 2.

• 3.

Which statement is applicable when using a sketch or making a part?

• The sketch may be used only if supplemented with three-view orthographic projection drawings.

• The sketch must show all information to manufacture the part.

• The sketch need not show all necessary construction details.

What are the proper procedural steps for sketching repairs and alterations?

• 3, 1, 4, and 2.

• 4, 2, 3, and 1.

• 1, 3, 4, and 2.

An aircraft reciprocating engine has a 2,800 cubic-inch displacement and develops 2,00 brake-horsepower at 2,200 RPM. What is the brake mean effective pressure?

• 257.5

• 242.5

• 275.0

A _______ drawing shows the general arrangement of the parts or their position, and the information to install the items.

A ________ diagram is used to explain a principle of operation, rather than to show the parts as they actually appear, or as they actually function.

What is the dimension of the chamfer?

• 1/16 x 37degrees

• 0.3125 +.005 - 0

• 0.0625 x 45degrees

Determine the cable size of a 40-foot length of single cable in free air, with a continuous rating, running from a bus to the equipment in a 28-volt system with a 15-ampere load and a 1-volt drop.

• No. 10.

• No. 11.

• No. 18.

Determine how much fuel would be required for a 30-minute reserve operating at 2,300 RPM.

• 25.3 pounds.

• 35.5 pounds.

• 49.8 pounds.

1) Schematic diagrams indicate the location of individual components in the aircraft. 2) Schematic diagrams indicate the location of components with respect to each other within the system. Regarding the above statements,

• Only No. 1 is true.

• Both No. 1 and No. 2 are true.

• Only No. 2 is true.

In the isometric view of a typical aileron balance weight, identify the view indicated by the arrow.

• 1.

• 3.

• 2.

What type of diagram is used to explain a principle of operation, rather than show the parts as they actually appear?

• A pictorial diagram.

• A schematic diagram.

• A block diagram.

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. Zone numbers. 2. Reference numbers. 3. Station numbers.

• 1 and 3.

• 3.

• 2.

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.

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.

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.

A simple way to find the center of a circle on a sketch or drawing, or a circular piece of material is to 

• Draw two non-parallel chord lines across the circle and then a corresponding perpendicular bisector line across each chord line.

• Draw two parallel chord lines across the circle and then a corresponding perpendicular bisector line across each chord line.

• Draw a single chord line across the circle and then a corresponding perpendicular bisector line across the chord line.

When reading a blueprint, a dimension is given as 4.387 inches +.005 -.002. Which statement is true?

• The maximum acceptable size is 4.390 inches.

• The maximum acceptable size is 4.385 inches.

• The maximum acceptable size is 4.382 inches.

Determine the maximum length of a No. 16 cable to be installed from a bus to the equipment in a 28-volt system with a 25-ampere intermittent load and 1-volt drop.

• 8 feet.

• 10 feet.

• 12 feet.

A __________ drawing shows an object more like the human eye sees it than either an isometric or oblique drawing.

Identify the left side view of the object shown.

• 1.

• 2.

• 3.

A drawing in which the subassemblies or parts are shown as brought together on the aircraft is called

• An assembly drawing.

• An installation drawing.

• A detail drawing.

Using the information, what size drill would be required to drill the clevis bolt hole?

• 5/16 inch.

• 21/64 inch.

• 1/2 inch.

The vertical distance between the top of the plate and the bottom of the lowest 15/64-inch hole is

• 2.250

• 2.242

• 2.367

1) Measurement should not be scaled from an aircraft print because the paper shrinks or stretches when the print is made. 2) When a detailed drawing is made, it is carefully and accurately drawn to scale and is dimensioned. Regarding the above statements,

• Only No. 2 is true.

• Both No. 1 and No. 2 are true.

• Neither No. 1 nor No. 2 is true.

1) According to FAR Part 91, repairs to an aircraft skin should have a detailed dimensional sketch included in the permanent records. 2) On occasion, a mechanic may need to make a simple sketch of a proposed repair to an aircraft, a new design, or modification. Regarding the above statements,

• Only No. 1 is true.

• Only No. 2 is true.

• Both No. 1 and No. 2 are true.

How many parts will need to be fabricated by the mechanic in the construction and installation of one doubler?

• 2.

• 3.

• 4.