- (A) Coke ovens regenerator
- (B) Outer lining of L.D. converter
- (C) Hearth bottom of blast furnace
- (D) Coke oven walls
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- (A) Poor resistance to the penetration of molten slag, metal & flue gases
- (B) Poor heat conductivity & low strength
- (C) Better thermal spalling resistance
- (D) All
- (A) Water
- (B) Mercury
- (C) Carbon tetrachloride
- (D) None of these
- (A) °R = 273 + °F
- (B) Temperature difference of 1°K = 1°C = 9/5°F
- (C) °C = (F- 32) × 0.555
- (D) °F = (°C + 17.778) × 1.8
- (A) Saturated
- (B) Unsaturated
- (C) Gaseous
- (D) Sub-cooled
- (A) 0.065
- (B) 0.65
- (C) 6.5
- (D) 65
- (A) 1026
- (B) 1023
- (C) 1020
- (D) 1019
- (A) Specific heat
- (B) Vapour pressure
- (C) Viscosity
- (D) None of these
- (A) 4480
- (B) 2240
- (C) 1120
- (D) 0.4
- (A) 770
- (B) 570
- (C) 270
- (D) 70

