A. Exists in three allotropic forms
B. Cannot be welded
C. Is used in oceanographic and space exploration applications
D. None of these
Related Mcqs:
- Alinco, which is a aluminium-cobalt-nickel steel, is used for making __________________?
A. Surgical instruments
B. Powerful magnets
C. Chemical equipments
D. Boiler tubes - In SO3 absorber (Contact Process), packing material used is of________________?
A. Cast iron
B. Chemical stoneware
C. Karbate
D. Mild steel - Wrought iron is having very high ________________?
A. Hardness
B. Strength
C. Corrosion resistance
D. Susceptibility to changes in its properties by heat treatment - The electrical conductivity of a ______________ decreases with rise in temperature?
A. Metal/alloy
B. Semi-conductor
C. Dielectric
D. None of these - _____________ iron is produced, when molten pig iron is chilled suddenly?
A. White cast
B. Grey cast
C. Wrought
D. None of these - Teflon (PTFE) is corroded by_______________?
A. Hydrochloric acid (10%)
B. Hydrochloric acid (95%)
C. Sulphuric acid
D. None of these - Carbon supply in pack carburising process is in the form of_____________________?
A. Charcoal
B. Calcium carbide
C. Hydrocarbon oil
D. Graphite - Zircaloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium_______________?
A. Tin, nickel, iron and chromium
B. And graphite
C. And copper
D. None of these - 100% H2SO4 at 30°C can’t be stored in a vessel made/lined with ___________________?
A. Cast iron and high silicon iron
B. Mild steel and stainless steel
C. Aluminium, tin and rubber
D. Teflon, glass and porcelain - Pick out the wrong statement ?
A. Tin can be readily and very easily drawn into very fine wire
B. Tin can be severely cold worked without the necessity of annealing due to its low recrystallisation temperature
C. Tin exists in two allotropic forms
D. The predominant use of tin is in the form of coating for steel & copper alloys