IMSE 250 TEST 1 REVIEW QUESTIONS AND ANSWERS RATED 100% CORRECT.
both steels and cast irons are iron-carbon alloys. Which one of the following is the major difference
between the two? - (answer)the carbon content in steels is lower than that in cast irons
both brass and bronze are allows containing ___ as their major metallic elements - (answer)copper
From the stress-strain curve, we can tell if a material will increase its yield strength after cold forming.
Among the two materials shown in this figure, which material(s) will likely have increased yield strength
after cold-forming (strain hardening)? - (answer)M2 with a curve instead of M1 with a straight line
Metal casting process tends to make parts with __________ structure. - (answer)Isotropic grain
The hot working parts are most likely to have ______________ - (answer)directional oriented grain
structure.
Which material has a lower elastic modulus?
A with a smaller strain or B with a bigger curve and range on strain - (answer)B
Which material has a lower tensile strength?
A with a smaller strain or B with a bigger curve and range on strain - (answer)B
which material has a lower toughness?
A with a smaller strain or B with a bigger curve and range on strain - (answer)A
Which material has a lower yield strength?
A with a smaller strain or B with a bigger curve and range on strain - (answer)B
Which material is less ductile?
A with a smaller strain or B with a bigger curve and range on strain - (answer)A
, IMSE 250 TEST 1 REVIEW QUESTIONS AND ANSWERS RATED 100% CORRECT.
Which material is more likely to be bronze while the other one being cast iron
A with a smaller strain or B with a bigger curve and range on strain - (answer)B
Generally speaking, which one of the following casting processes is the most suitable to produce ferrous
metal parts with high degree of shape complexity? - (answer)investment casting
in sheet metal bending, the metal is deformed___ - (answer)beyond its yield strength but below its
tensile strength
Assume that cold drawing process is used to make the steel pans and pots shown in the figure. The
ductility of the steel will be______by this drawing process. - (answer)decreased
From 10, the Young's modulus of the steel will be_)____by this drawing process - (answer)hardly
affected
which one of the following is NOT true related to the elevated re crystallization temperature in hot
working? - (answer)the metallurgical grain structure will be isotropic under this condition
pattern(s) are needed for all casting processes T/F? - (answer)false
which one of the following heat treatment methods CANNOT improve the heat treated metal's
machinability? - (answer)Quenching
in tempering, the workpiece needs to be heated to ____ - (answer)below the lower transformation
temperature (A1)
Ra is the average roughness value while Rmax is the height from the deepest trough to the highest peak.
Suppose surface A has roughness Rmax = 0.1 micrometer and surface B has roughness Ra = 0.1
micrometer. Which surface is smoother? - (answer)cannot tell
both steels and cast irons are iron-carbon alloys. Which one of the following is the major difference
between the two? - (answer)the carbon content in steels is lower than that in cast irons
both brass and bronze are allows containing ___ as their major metallic elements - (answer)copper
From the stress-strain curve, we can tell if a material will increase its yield strength after cold forming.
Among the two materials shown in this figure, which material(s) will likely have increased yield strength
after cold-forming (strain hardening)? - (answer)M2 with a curve instead of M1 with a straight line
Metal casting process tends to make parts with __________ structure. - (answer)Isotropic grain
The hot working parts are most likely to have ______________ - (answer)directional oriented grain
structure.
Which material has a lower elastic modulus?
A with a smaller strain or B with a bigger curve and range on strain - (answer)B
Which material has a lower tensile strength?
A with a smaller strain or B with a bigger curve and range on strain - (answer)B
which material has a lower toughness?
A with a smaller strain or B with a bigger curve and range on strain - (answer)A
Which material has a lower yield strength?
A with a smaller strain or B with a bigger curve and range on strain - (answer)B
Which material is less ductile?
A with a smaller strain or B with a bigger curve and range on strain - (answer)A
, IMSE 250 TEST 1 REVIEW QUESTIONS AND ANSWERS RATED 100% CORRECT.
Which material is more likely to be bronze while the other one being cast iron
A with a smaller strain or B with a bigger curve and range on strain - (answer)B
Generally speaking, which one of the following casting processes is the most suitable to produce ferrous
metal parts with high degree of shape complexity? - (answer)investment casting
in sheet metal bending, the metal is deformed___ - (answer)beyond its yield strength but below its
tensile strength
Assume that cold drawing process is used to make the steel pans and pots shown in the figure. The
ductility of the steel will be______by this drawing process. - (answer)decreased
From 10, the Young's modulus of the steel will be_)____by this drawing process - (answer)hardly
affected
which one of the following is NOT true related to the elevated re crystallization temperature in hot
working? - (answer)the metallurgical grain structure will be isotropic under this condition
pattern(s) are needed for all casting processes T/F? - (answer)false
which one of the following heat treatment methods CANNOT improve the heat treated metal's
machinability? - (answer)Quenching
in tempering, the workpiece needs to be heated to ____ - (answer)below the lower transformation
temperature (A1)
Ra is the average roughness value while Rmax is the height from the deepest trough to the highest peak.
Suppose surface A has roughness Rmax = 0.1 micrometer and surface B has roughness Ra = 0.1
micrometer. Which surface is smoother? - (answer)cannot tell
