Refractory Technology Lower part of hot metal mixer are lined with __________ bricks. High alumina Superduty fireclay Silica Carborundum High alumina Superduty fireclay Silica Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Graphite Fireclay Chromite Carborundum Graphite Fireclay Chromite Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Furnace atmosphere for softening temperature determination of refractories (in which segar cones are placed) should be Neutral Either A or B Oxidising Neither A nor B Neutral Either A or B Oxidising Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Corrundum Bauxite Periclase Carborundum Corrundum Bauxite Periclase Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Carbon Silica Fireclay Tar dolomite Carbon Silica Fireclay Tar dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of a basic refractory material is Increased by the addition of acid oxides Reduced by the addition of acid oxides Not affected by the addition of acid oxides Always less than 1000°C Increased by the addition of acid oxides Reduced by the addition of acid oxides Not affected by the addition of acid oxides Always less than 1000°C ANSWER DOWNLOAD EXAMIANS APP
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