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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