- (A) Machinability
- (B) Ductility
- (C) Strength
- (D) Hardness
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- (A) High speed
- (B) Stainless
- (C) Heat resisting
- (D) None of these
- (A) Rusts
- (B) Melts
- (C) Is heated
- (D) None of these
- (A) Cast iron
- (B) Stainless steel or glass lined vessel
- (C) Karbate
- (D) Wrought iron
- (A) Brass
- (B) Pewter
- (C) Solder
- (D) Babbitt metal
- (A) Sulphuric acid (10%) at room temperature
- (B) Nitric acid (95%) at room temperature
- (C) Sulphur trioxide at 60°C
- (D) Any of these
- (A) Calorising
- (B) Galvanising
- (C) Zincification
- (D) Tempering
- (A) Lead lined concrete vessel
- (B) Wood
- (C) Metal
- (D) Either
- (A) Utensil manufacture
- (B) Electrical industry
- (C) Industrial equipment manufacture
- (D) Small scale industries
- (A) Charcoal
- (B) Calcium carbide
- (C) Hydrocarbon oil
- (D) Graphite
