Block 1 Review
What are the four temperature scales?
Celsius, Fahrenheit, Kelvin, and Rankine
An assembly drawing shows...
A.) Shows the relationship between two or more parts
B.) Shows the position of parts in their final installation
C.) Shows an 'exploded' view of a part
A.) Shows the relationship between two or more parts
What is a crow's foot?
It is an extension of a torque wrench that is used to tighten bolts in difficult to reach areas.
What is Strength?
The ability to resist deformation
What is corrosion?
Metal attempting to return to its natural state.
True or False:
Tare weight is subtracted from the weight shown on the scales and usually consists of chocks, jacks or other equipment used to level, or secure, the aircraft.
True
What is a detail drawing?
"A detail drawing is a description of a single part, describing bylines, notes, and symbols the specifications for size, shape, material, and methods of manufacture to be used in making the part."
- page 4-2 of the FAA-H-8083-30B
Clevis Bolts are for:
A.) Shear loads
B.) Tension loads
C.) Both A and B
A.) Shear loads
What is annealing and what letter designates it?
The letter designation for annealed metal is 'O'
What is the most cathodic metal?
Most anodic: magnesium
Most cathodic: stainless steel
What is a compression ratio?
The volume of a cylinder with the piston at the bottom of its stroke (bdc) as compared to when the piston is at the top of its stroke (tdc).
Compression ratio is BDC:TDC
What are waterlines in regards to aircraft drawings?
They are horizontal (longitudinal) reference plane used to locate vertical positions on an aircraft.
Aircraft bolts normally have what type of fit?
Class 3, 'medium fit'
What measurement are the diameter and length in on a rivet?
Diameter: 1/32 of an inch
Length: 1/16 of an inch
Boyle's law states that the pressure and volume of an enclosed, dry gas will vary ________ of each other, provided the temperature remains constant.
inversely
Hidden lines are:
A.) light-weight, medium solid line
B.) medium-weight, evenly spaced dashes
C.) alternating long and short dashes
B.) medium-weight, evenly spaced dashes
True or False:
Peening is a type of cold working.
True
Precipitation heat-treating is a process of uniformly adding tiny particles (or precipitates) into aluminum or copper. This is done to:
A.) Increase strength and hardness
B.) Increase ductility and malleability
C.) Decrease brittleness and increase toughness
A.) Increase strength and hardness
A.) every 30 days
B.) every 90 days
C.) every 45 days
C.) every 45 days
Maximum, or gross weight, varies from empty weight in that:
A.) maximum weight includes empty weight and useful load items
B.) maximum weight cannot be determined
C.) useful load cannot be determined
A.) maximum weight includes empty weight and useful load items
Orthographic projection has 6 different views. What are they?
Left, right, front, rear, top, and bottom
A triangle on the head of a bolt indicates what?
That it is a close tolerance bolt
The Rockwell Hardness Tester measures resistance to penetration of metals and is useful for determining ________
A.) heat treatment condition
B.) pre-heat treatment condition
C.) both A and B
C.) both A and B
What is phosphoric acid used for?
It is a chemical cleaner used for aluminum alloys.