- (A) The electrolyte consists of molten Na3AlF6 with approximately 1 to 8% Al2O3
- (B) Approximately 80% of the aluminium deposited on the cathode comes from cryolite
- (C) Sodium is deposited along with aluminium, but is immediately vaporised
- (D) Anode effect sets in when the cryolite concentration goes below 40%.
Chemical Engineering Mcqs
- (A) Iron ore & coke
- (B) Iron ore, coke & air
- (C) Limestone, coke & iron ore
- (D) Limestone, sand & iron ore
- (A) Pitot tube
- (B) Hot wire anemometer
- (C) Rotameter
- (D) Stroboscope
- (A) 0.01 to 0.10
- (B) 0.2 to 0.4
- (C) 0.5 to 0.7
- (D) 0.8 to 1.0
- (A) Stainless steel
- (B) Mild steel
- (C) High speed steel
- (D) High carbon steel
- (A) Condensation
- (B) Deaeration
- (C) Scavenging
- (D) Exhaust
- (A) Grain refining
- (B) Grain coarsening
- (C) Surface hardening
- (D) Shot peening
- (A) Blow moulding
- (B) Calendaring
- (C) Extrusion
- (D) Injection
- (A) Extrusion
- (B) Bending
- (C) Rolling
- (D) Forging
- (A) 3171Pa
- (B) 3567Pa
- (C) 1.01 × 105Pa
- (D) 5000Pa
