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 %
Inconel contains
A 65% nickel, 15% chromium and 20% iron
B 68% nickel, 29% copper and 3% other constituents
C 80% nickel and 20% chromium
D 80% nickel, 14% chromium and 6% iron
Inconel is an alloy of
A Nickel, Chromium and Iron
B Nickel, Copper
C Nickel, Chromium
D Nickel, Zinc
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
Nickel is a __________ material.
A soft
B non-ductile
C non-metallic
D ductile
Materials used for making permanent magnets containing iron and nickel are made by __________ technique.
A Powder metallurgy
B Casting
C Forging
D None of these
Nickel base alloys with __________ are known as monel metal.
A Zinc
B Tin
C Copper
D Molybdenum
Nickel and __________ are the alloying element added in steel to increase its toughness.
A Molybdenum
B Chromium
C Vanadium
D Silicon
Nickel is not used as a catalyst in the __________ reaction.
A Shift conversion
B Oil hydrogenation
C Steaming reforming of naphtha
D Ammonia cracking/dissociation

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