- (A) Alum
- (B) Ferrous sulphate
- (C) Sulphuric acid
- (D) Saturated brine
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- (A) Compressive strength
- (B) Ductility
- (C) Shock resistance
- (D) Resistance to brittleness
- (A) Inconel
- (B) Hastelloy
- (C) Nimonic alloys
- (D) Duralumin
- (A) Topaz
- (B) Carborundum
- (C) Corundum
- (D) Calcite
- (A) 12
- (B) 18
- (C) 24
- (D) 30
- (A) Nickel
- (B) Cobalt
- (C) Tungsten
- (D) Chromium
- (A) Mild steel
- (B) Cast iron
- (C) Refractory blocks
- (D) Stainless steel
- (A) Monel metal
- (B) Gun metal
- (C) Wood metal
- (D) Babbitt metal
- (A) Lead lined stainless steel
- (B) Cast iron
- (C) Steel or cement-brick lined
- (D) Hard wood
- (A) Iron & carbon
- (B) Iron & mercury
- (C) Platinum & mercury
- (D) None of these
