Metal Identification Flashcards
Ferrous metal has a high continent of A)Carbon B)Nickel C)Iron D)manganese
C)Iron
Which statement describes a non-ferrous metal
A)Hi iron content and usually magnetic
B)Hi iron content and usually nonmagnetic
C)Contains little or no iron and is usually Magnetic
D) Contains little or no iron and is usually nonmagnetic
D) Contains little or no iron and is usually nonmagnetic
A metal that is red or yellow is most likely what type of metal A)Aluminum or magnesium B)Malleable cast iron C)Low or medium carbon steel D) Copper or brass
D) Copper or brass
What is the normal colour for steals and cast iron A)Silvery gray B)Black C)Yellow D) Red
A)Silvery gray
If a metal that has fractured shows a dull gray appearance in its internal structure, with no bending before breaking, it is most likely: A)Hi carbon steel B)Malleable cast iron C)Gray cast iron D) Pure aluminum
C)Gray cast iron
Given two identical pieces of zinc diecast and aluminum what would be the simplest way to identify them A)Flame test B)Spark test C)By their colour D) By their weight
D) By their weight
If an object is irregular shaped, what might you conclude about the object? A)It is aluminum B)It is a casting C)It is hear-treated D) It is ductile
B)It is a casting
If a piece of metal has a smooth outer surface what might you conclude about the object? A)It has been formed B)It is a casting C)It is high carbon steel D) It is magnetic
A)It has been formed
And using a chip test to identify a metal what would a smooth continuous chip indicate A)A dull chisel B)A soft material like aluminum C)A hard material like high carbon steel D) A brittle material like cast iron
B)A soft material like aluminum
How is cast iron distinguished from low carbon steel in a spark test?
A)The Sparks given off by cast iron are in yellowish Street streaks.
B)The Sparks given off by low carbon steel are short with red bursts near the grinder.
C)The Sparks look the same, but more pressure is required with carbon steel.
D) The Sparks given off by cast iron or short with red burst near the grinder
D) The Sparks given off by cast iron or short with red burst near the grinder
How can using a new handheld file give you an estimate of a metals hardness ?
A)If you tap the middle with the file, hardened tool steel will not ring.
B)If the file bytes into the metal easily, it is likely a hard material.
C)If the file bytes into the middle easily it is likely a soft material.
D) If the metal is harder than the file, the file bites in easily.
C)If the file bytes into the middle easily it is likely a soft material.
What is the approximate hardness rating of low carbon steel on the Brinell hardness scale A)100 B)300 C)500 D) 600
A)100
Which metal Will burn violently when ignited using the flame test? A)Copper B)Nickel C)Aluminum D) Magnesium
D) Magnesium
When the heat code identification number is cut from a piece of plate what should you do?
A) notify the supervisor.
B)Transfer the ID number to the remaining plate.
C)Check the hardness of the remaining plate.
D) discard the mill test report.
B)Transfer the ID number to the remaining plate.
What is the most precise method for the identification of a metal that has been shipped from steel mill?
A)Study the mill test report.
B)Use a file for hardness testing
C)Do a spark test with an angle grinder
D) steel that comes in shapes is always low carbon
A)Study the mill test report.
