A. Aluminium, mild steel, stainless steel, concrete & tin
B. Copper, cast iron & high silicon iron (14% Si)
C. Rubber (butyl and hard), silicone rubber & Teflon
D. Glass, graphite, porcelain & stoneware
Related Mcqs:
- Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property ?
A. Silicon
B. Phosphorus
C. Sulphur
D. None of these - Silicone rubber is not resistant to the corrosive action of____________________?
A. Sulphuric acid (10%)
B. Sulphuric acid (95%)
C. Ether
D. Both B. and C. - Hydrochloric acid is _______________ corrosive to common metals?
A. Least
B. Not
C. Mildly
D. Highly - Copper is dissolved from its ore by H2SO4 in a percolation tank made of_________________?
A. Wood
B. Stainless steel
C. Reinforced concrete lined with lead
D. High silicon iron (14% Si) - 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 - SO3 is absorbed using H2SO4 in a____________________?
A. Cast iron packed tower
B. Stainless steel plate tower
C. Packed steel tower lined with acid proof bricks
D. None of these - Cold worked steel parts are normally subjected to_________________?
A. Normalising
B. Hardening
C. Annealing
D. Shot peening - Brine (15% concentration) can be stored in a vessel made of____________________?
A. Monel
B. Karbate
C. Cast iron
D. None of these - Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of __________________?
A. Nickel
B. Copper
C. Stainless steel
D. Brass - Maximum consumption of lead is in the manufacture of _________________________?
A. Storage batteries
B. Solder alloys
C. Electric cable sheathing
D. Lead lined vessels
