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Aerospace Materials Processes
Aerospace Materials Processes Multiple Choice
Quiz 1
Solution
Q.1.
____________ is also known as Tobin bronze.
a) Red clay
b) Sand
c) Uranium
d) Naval brass
Q.2.
Red brass contains around ____________ % antimony.
a) 0.75
b) 0.20
c) 0.25
d) 0.15
Q.3.
Red brass (casting) has a UTS of ___________
a) 15,00 pound-force per square inch
b) 29 pound-force per square inch
c) 30,000 pound-force per square inch
d) 10000 pound-force per square inch
Q.4.
Naval brass is considerably stronger than manganese bronze.
a) True
b) False
Q.5.
___________ is used in manufacturing components like fuel line fittings.
a) Copper
b) Red brass
c) Red plate
d) Bronze
Q.6.
Copper alloys containing a large amount of __________ are called bronze.
a) lead
b) phosphorus
c) tin
d) iron
Q.7.
Naval brass is used in manufacturing ____________
a) bolts and studs
b) tires
c) bolts
d) bolts and tires
Q.8.
Gun-metal contains around ___________ % of zinc.
a) 0.9
b) 4-14
c) 6-9
d) 1-3
Q.9.
Naval brass contains around ____________ of lead.
a) 0.5%
b) 0.10%
c) 0.20%
d) 10%
Q.10.
Gun-metal (casting) has a yield point of ____________
a) 30,000 pound-force per square inch
b) 15,000 pound-force per square inch
c) 6000 pound-force per square inch
d) 1000 pound-force per square inch
Q.11.
Naval brass has __________ strength compared to commercial brass.
a) lower
b) better
c) similar
d) lenient
Q.12.
Aluminium bronze is a type of bronze where aluminium is one of the dominant elements.
a) True
b) False
Q.13.
Gun-metal should not be utilized in temperatures above __________
a) 260°C
b) 550°C
c) 260°F
d) 150°F
Q.14.
Red brass contains ______________ of zinc.
a) 40-50%
b) 4-6%
c) 1-2%
d) 30-35%
Q.15.
Gun-metal contains around _______________ copper.
a) 9-11%
b) 0.2%
c) 86-89%
d) 5-10%
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