A. Is used as an alloying element for both ferrous & non-ferrous alloys
B. Is paramagnetic below 415° C (its Curie temperature)
C. Diamagnetic
D. Has a body centred cubic (bcc) crystal lattice structure
Related Mcqs:
- Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ?
A. Invar
B. Constantan
C. Chromel
D. Alumel - An alloy used as thermocouple material comprises of 40% nickel and 60% copper. It is called____________________?
A. Constantan
B. Kanthal
C. Chromel
D. German silver - German silver is an alloy of copper, nickel and________________?
A. Zinc
B. Silver
C. Tin
D. Lead - Addition of nickel to copper improves its_________________?
A. Machinability
B. Ductility
C. Strength
D. Hardness - A steel alloy containing 36% nickel is called _____________________, which has a zero co-efficient of expansion?
A. Austenitic stainless steel
B. Heat resisting steel
C. Invar
D. High speed steel - Pure nickel is___________________?
A. Ferromagnetic above its curie point (i.e., 415°C)
B. Having h.c.p. crystal lattice
C. Ferromagnetic at room temperature
D. Not resistant to oxidation at high temperature - Nickel (76%) and chromium (15%) alloys are termed as______________________?
A. Inconel
B. Monel
C. Aluminium bronzes
D. Brass - Which of the following alloys does not contain nickel ?
A. Chloro, et-2 alloy
B. Monel
C. Inconel
D. Babbitt metal - Invar used in thermocouples is an alloy of nickel and________________?
A. Iron
B. Copper
C. Chromium
D. Lead - Which of the following is not a nickel based alloy ?
A. Inconel
B. Hastelloys
C. Nimonics
D. Babbitt metal
