A. Chromium and molybdenum
B. Nickel and chromium
C. Molybdenum and nickel
D. Chromium and aluminium
Related Mcqs:
- Carbon supply in pack carburising process is in the form of_____________________?
A. Charcoal
B. Calcium carbide
C. Hydrocarbon oil
D. Graphite - In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of_____________________?
A. Stainless steel
B. Cast iron
C. Lead lined steel
D. Rubber lined steel - Bell metal is an alloy of __________________?
A. Copper & zinc
B. Copper & tin
C. Copper & nickel
D. Zinc & tin - A metallic alloy in which one of the constituent metal is _____________, is called an amalgam?
A. Zinc
B. Mercury
C. Lead
D. Tin - An alloy of iron containing 4% carbon is called________________?
A. High carbon steel
B. Wrought iron
C. Mild steel
D. None of these - Bronze is an alloy of copper and _________________?
A. Lead
B. Tin
C. Nickel
D. Zinc - 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 - Brass is an alloy of____________________?
A. Nickel and tin
B. Copper and zinc
C. Tin and lead
D. Copper, nickel and zinc - Light weight metallic alloy used in aircraft industry is________________?
A. Aluminium
B. High silicon (14%) iron
C. Duralumin
D. Phosphor bronze - 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
