Related Questions

Which of the following alloy steels is the most suitable for making gun barrels and projectiles?
A Tungsten steel
B Molybdenum steel
C Nickel-chrome steel
D Cobalt steel
Perminvar alloy having constant permeability is an alloy of
A Nickel, copper and iron
B Nickel, copper and zinc
C Copper, nickel and antimony
D Iron, zinc and bismuth
The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy.
A Less than
B Equal to
C More than
D Either B or C; depends on the type of alloy
Constantan an alloy used in thermocouples is an alloy of
A Copper and tin
B Copper and zinc
C Copper and iron
D Copper and nickel
Admiralty gun metal contains
A 63 to 67% nickel and 30% copper
B 88% copper, 10% tin and rest zinc
C Alloy of tin, lead and cadmium
D Iron scrap and zinc
Which of the following are the ingredients of gun metal?
A Iron, Zinc and Titanium
B Iron and Tin
C Iron, Brass and Tin
D Copper, Tin and Zinc
Gun metal contains
A 70% copper and 30% zinc
B 90% copper and 10% tin
C 85 - 92% copper and rest tin with little lead and nickel
D 70 - 78% copper and rest tin
By increasing impurity content in the metal alloy the residual resistivity always
A Decreases
B Increases
C Remains constant
D Becomes temperature independent
A metallic alloy in which one of the constituent metal is __________ , is called an amalgam.
A Zinc
B Mercury
C Lead
D Tin
Solder metal is an alloy of
A Lead and tin
B Lead and antimony
C Copper and zinc
D Copper and tin

Next steps