Refractory Technology Porosity of fireclay refractories is __________ percent. 25-35 44129 43961 35-50 25-35 44129 43961 35-50 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Armouring Breast wall Baffle Buckstay Armouring Breast wall Baffle Buckstay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² . 250 450 65 150 250 450 65 150 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Fireclay Corundum Carbon 85% alumina Fireclay Corundum Carbon 85% alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Graphite Chromite Carborundum Fireclay Graphite Chromite Carborundum Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Thermal conductivity Density Specific heat None of these Thermal conductivity Density Specific heat None of these ANSWER DOWNLOAD EXAMIANS APP
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