- (A) Controlling timber degradation by ants
- (B) Controlling poultry lice
- (C) Potato beetle
- (D) Citrus fruits
Chemical Engineering Mcqs
- (A) Extraction with amyl or butyl acetate
- (B) Ternary Azeotropic distillation
- (C) Evaporator in calandria
- (D) Extractive distillation
- (A) Viscose rayon
- (B) Corundum
- (C) Plasticiser for unsaturated polyester
- (D) Paints
- (A) Alkaline
- (B) Acidic
- (C) Neutral
- (D) None of these
- (A) Remove impurities/gangue
- (B) Enhance rate of reaction
- (C) Accelerate reduction of ore
- (D) Separate slag from metal
- (A) Activated carbon
- (B) Diatomaceous earth
- (C) Bauxite
- (D) Bentonite
- (A) Chromium
- (B) Arsenic
- (C) Copper
- (D) Manganese
- (A) Catalytic cracking
- (B) Catalytic dehydrogenation
- (C) Pyrolysis
- (D) Hydrocracking
- (A) Hydration
- (B) Inversion
- (C) Esterification
- (D) None of these
- (A) Processing of thermosetting plastics is ideally done by injection moulding
- (B) Processing of thermoplastics is ideally done by compression moulding
- (C) Mass production of seamless pipes are done by electrical resistance welding (ERW)
- (D) Stretch forming is a process of cold drawing
