chapter 6 Hardware and Materials Test 4

The ability of a material to withstand forces that tend to deform it and to resist stress without breaking is known as_____

Strength

Metal that easily transmits heat or electricity has high______

Conductivity

A sheet of aluminum is between 0.0079 inches and 0.24 inches thick. Any rolled piece of aluminum thicker than that is called a______

Plate

Aircraft engine crankcases are formed through____ casting

Permanent mold

______ is a process where metal is pressed, pounded, or squeezed into high-strength parts.

Forging

A standard Boeing 747 jumbo jet contains about_______ kilograms of aluminum.

75,000

_____ alloys are aluminum alloys that can be strengthened by heating and cooling.

Heat treatable

Rivets made from________ or______ alloy must be heat treated before use.

2017 D, 2024 DD

Some aircraft parts commonly made of_______ include exhaust collectors, stacks, manifolds, structural and machined parts, springs, castings, tie rods, and control cables.

Stainless steal

Brunel, Rockwell, bickers, and webster are methods of_____ testing

Hardness

Which of the following is NOT a property of metal?

Productivity

Which term refers to the property of metal that allows it to return to its original shape when the force that caused the change of shape is removed?

Elasticity

Which term refers to the property of metal that allows it to be permanently drawn, bent, or twisted into various shapes without breaking?

Ductility

Rolled aluminum that is less than 0.0079 inches thick is called:

Foil

Pouring molten metal into a form is part of the process known as:

Casting

A piece of aluminum in an alloy identification number that starts with 7 is alloyed with which of these metals?

Zinc

Which of these is not a ferrous metal?

Aluminum

If you heat steak to just above the critical temperature, soak it at that temperature, and cool it slowly in a furnace, this process is called?

Annealing

A process that reduces brittleness and softens steel, involving heating the steel to more than 212°F and cooling it in still air, is called:

Tempering

Which hardness testing system scales the hardness of a metal based on the depth of penetration of a diamond cone or steel ball under major and minor loads?

Rockwell