IMSEP Exam Questions with 100% Verified
Correct Answers
According to the video "Eye safety," when should you wear eye protection?
Every moment on the job in a machine shop.
According to the video "Eye safety," do you need to wear eye protection when you just
visit a machine shop?
Yes.
Both steel and cast iron are iron-carbon alloys.
true
The carbon contain in T10 tool steel is about ____.
1%
Both brass and bronze contain copper.
true
Atoms in most metals have a ____ structure.
crystalline
Generally speaking, which structure has a better ductility (ability to deform with
fracture)?
Face-centered cubic
Generally speaking, metals have _____________ thermal conductivity than plastics.
higher
, On Boeing 787 airplanes, which type of material is used the most?
Composites.
What materials are used to mint the 25-cent coins now?
Cu + Ni
Density is one of material's ___________
physical properties.
If we let the young's modulus of AISI 4140 steel be 1, which value will most likely be the
young's modulus of plastics?
0.1
Can the young's modulus of a material be greatly changed by manufacturing processes?
no
Can the yield strength of a material be greatly changed by manufacturing processes?
yes
Can the ductility of a material be greatly changed by manufacturing processes?
yes
Which material has a lower elastic modulus?
B
Which material has a lower yield strength?
B
Which material has a lower tensile strength?
Correct Answers
According to the video "Eye safety," when should you wear eye protection?
Every moment on the job in a machine shop.
According to the video "Eye safety," do you need to wear eye protection when you just
visit a machine shop?
Yes.
Both steel and cast iron are iron-carbon alloys.
true
The carbon contain in T10 tool steel is about ____.
1%
Both brass and bronze contain copper.
true
Atoms in most metals have a ____ structure.
crystalline
Generally speaking, which structure has a better ductility (ability to deform with
fracture)?
Face-centered cubic
Generally speaking, metals have _____________ thermal conductivity than plastics.
higher
, On Boeing 787 airplanes, which type of material is used the most?
Composites.
What materials are used to mint the 25-cent coins now?
Cu + Ni
Density is one of material's ___________
physical properties.
If we let the young's modulus of AISI 4140 steel be 1, which value will most likely be the
young's modulus of plastics?
0.1
Can the young's modulus of a material be greatly changed by manufacturing processes?
no
Can the yield strength of a material be greatly changed by manufacturing processes?
yes
Can the ductility of a material be greatly changed by manufacturing processes?
yes
Which material has a lower elastic modulus?
B
Which material has a lower yield strength?
B
Which material has a lower tensile strength?
