IMSE 250 TEST 1 REVIEW QUESTIONS
AND VERIFIED ANSWERS
\.both steels and cast irons are iron-carbon alloys. Which one of the following is
the major difference between the two? - ANSWERS✔-the carbon content in steels
is lower than that in cast irons
\.both brass and bronze are allows containing ___ as their major metallic
elements - ANSWERS✔-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)? - ANSWERS✔-M2 with a curve instead of M1 with a straight line
\.Metal casting process tends to make parts with __________ structure. -
ANSWERS✔-Isotropic grain
\.The hot working parts are most likely to have ______________ - ANSWERS✔-
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 - ANSWERS✔-B
\.Which material has a lower tensile strength?
A with a smaller strain or B with a bigger curve and range on strain - ANSWERS✔-B
\.which material has a lower toughness?
A with a smaller strain or B with a bigger curve and range on strain - ANSWERS✔-A
\.Which material has a lower yield strength?
A with a smaller strain or B with a bigger curve and range on strain - ANSWERS✔-B
\.Which material is less ductile?
A with a smaller strain or B with a bigger curve and range on strain - ANSWERS✔-A
\.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 - ANSWERS✔-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? -
ANSWERS✔-investment casting
\.in sheet metal bending, the metal is deformed___ - ANSWERS✔-beyond its yield
strength but below its tensile strength
AND VERIFIED ANSWERS
\.both steels and cast irons are iron-carbon alloys. Which one of the following is
the major difference between the two? - ANSWERS✔-the carbon content in steels
is lower than that in cast irons
\.both brass and bronze are allows containing ___ as their major metallic
elements - ANSWERS✔-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)? - ANSWERS✔-M2 with a curve instead of M1 with a straight line
\.Metal casting process tends to make parts with __________ structure. -
ANSWERS✔-Isotropic grain
\.The hot working parts are most likely to have ______________ - ANSWERS✔-
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 - ANSWERS✔-B
\.Which material has a lower tensile strength?
A with a smaller strain or B with a bigger curve and range on strain - ANSWERS✔-B
\.which material has a lower toughness?
A with a smaller strain or B with a bigger curve and range on strain - ANSWERS✔-A
\.Which material has a lower yield strength?
A with a smaller strain or B with a bigger curve and range on strain - ANSWERS✔-B
\.Which material is less ductile?
A with a smaller strain or B with a bigger curve and range on strain - ANSWERS✔-A
\.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 - ANSWERS✔-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? -
ANSWERS✔-investment casting
\.in sheet metal bending, the metal is deformed___ - ANSWERS✔-beyond its yield
strength but below its tensile strength
