A. Copper
B. Copper alloys
C. Stainless steel
D. Monel
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 - The high expansion metal normally used in the bimetallic thermometer is _______________ temperature measurement?
A. Brass for low
B. Nickel alloys for high
C. Both A. & B.
D. Aluminium for all - Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and_________________?
A. Moving mercury and graphite
B. Graphite and moving mercury
C. Moving mercury and carbon
D. Moving mercury and crimped steel wire - Steel pipes are normally manufactured by ______________ process?
A. Extrusion
B. Cold working
C. Forging
D. Electroforming - Mercury is transported in metal containers made of________________?
A. Aluminium
B. Iron
C. Lead
D. Nickel - Mercury is transported in metal containers made of________________?
A. Aluminium
B. Iron
C. Lead
D. Nickel - 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 - ______________ is not a case hardening process?
A. Carburising
B. Nitriding
C. Cyaniding
D. Annealing - Valves in pipe size of 2″ and under are normally made of_______________________?
A. Wrought iron
B. Brass
C. Bronze
D. Monel - In hot wire anemometer used for gas flow measurement, the wire is normally made of ______________________?
A. Copper
B. Platinum
C. Constantan
D. Chromium
