Related Questions

Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is
A 12
B 36
C 54
D 68
Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel
A 24 %
B 36 %
C 40 %
D 60 %
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
Constantan used in thermocouples is an alloy of
A Iron & copper
B Copper & aluminium
C Lead & tin
D None of these
Invar contains the highest percentage of
A Vanadium
B Iron
C Tungsten
D Cobalt
Invar contains
A 12% of nickel
B 24% of nickel
C 30% of nickel
D 36% of nickel
Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio
A 50 : 20 : 20 : 10
B 40 : 30 : 20 : 10
C 50 : 20 : 10 : 20
D 30 : 20 : 30 : 20
German silver is an alloy of copper, nickel and
A Zinc
B Silver
C Tin
D Lead
Which of the following is not an alloy of nickel and chromium?
A Inconel
B Hastealloy
C Nimonic alloys
D Duralumin
Which of the following is an alloy of nickel and copper?
A Hastelloy
B Duriron
C Monel
D Inconel

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