TPC 105 Metals In the Plant Flashcards
(50 cards)
A metals ability to be stretched into wire without breaking is called it’s________. It’s ability to
return to its original shape after being deformed is called its_______
A Ductility; elasticity
B Ductility; malleability
C Malleability; toughness
D Toughness; elasticity
A Ductility; elasticity
Which of the following magnetic materials is an alloy?
A Alnico
B Cobalt
C Iron
D Nickel
A Alnico
A solid and a liquid can exist together at the _______ Adding heat melts more of the solid ______ changing the temperature
A Latent heat of fusion ; by
B Latent heat of fusion; without
C Melting point ; by
D Melting point ; without
D Melting point ; without
An alloy containing iron as the base metal is
A brass
B bronze
C pewter
D steel
D steel
Machinability is the speed and ease with which a metal
A can be brazed or welded
B can be cut on a machine tool
C reaches it’s melting point
D regains it’s original shape after deformation
B can be cut on a machine tool
The maximum amount of stress a material can exert is called it’s
A Ductility
B Hardness
C Shear force
D Yield strength
D Yield Strength
A standard tensile test specimen exerts a resistance force of 8500 lb. What is the stress in the specimen?
A 1700 psi
B 40,000 psi
C 42,500 psi
D 425,000 psi
C 42,500 psi
When a metal supports a heavy load at high temperature, It may undergo
A Creep
B Elastic breakdown
C Metal fatigue
D Strain
A Creep
The mass of a material per unit volume is called it’s
A Density
B Mass
C Specific gravity
D Volume
A Density
The ratio of a material’s density to the density of water is called its
A Density
B Mass
C Specific gravity
D Volume
C Specific gravity
Permanent–mold casting uses
A Metal cores only
B Send cores only
C Both metal and sand cores
D No cores
C Both metal and sand cores
The method of casting metal parts using a spinning mold to force the molten metal away from the center and against the sides of the mold is called _______ casting.
A centrifugal
B die
C permanent
D sand
A centrifugal
Die casting is the ______ of all casting methods. It is used to cast ______ metals.
A fastest ; ferrous
B fastest ; nonferrous
C slowest ; ferrous
D slowest ; nonferrous
B fastest ; nonferrous
Upsetting is the most common method of
A Cold forging
B Die casting
C Extrusion
D Heading
A Cold forging
Pulling rod stock through a tapered die produces
A cord
B sheets
C tubing
D wire
D wire
Because of its higher carbon content, ______ has a lower melting point than_______.
A Cast iron; cementite
B Cast iron; steel
C Steel; cast-iron
D Steel; cementite
B Cast iron; steel
Carbon in cast iron generally makes it easier to
A Bend
B Break
C Cast
D Pour
B break
Malleable cast iron is ______ than white cast iron and has_______ resistance to wear than gray cast iron
A Harder; less
B Harder; more
C Softer; less
D Softer; more
D Softer; more
What kind of cast iron is best for parts that must be hard and strong but not brittle?
A Ferritic
B Gray
C High-alloy
D White
C High- alloy
Open-hearth, basic oxygen, and electric are three types of furnaces used for making
A Cast iron
B coke
C pig iron
D steel
D steel
The most important element added to iron and making steel is
A Carbon
B Cementite
C Ferrite
D Pearlite
A carbon
AISI and SAE our number coding systems that specify the _________ of each kind of __________
Chemical composition ; cast iron
Chemical composition ; steel
Price range; cast iron
Price range ; steel
Chemical composition; steel 
When spark, testing to identify a steel, you should consider spark length________ and___________
Color ; Burst
Color ; temperature
Temperature ; Burst
Temperature ; intensity
Color; burst 
The cold rolled she steel graded_______ quality has a matte finish that holds paint well.
Commercial
Drawing
Physical
Structural
Commercial
