Refractory Technology To resist spalling tendency, a refractory should have Low specific heat Low thermal co-efficient of expansion All of these Greater diffusivity Low specific heat Low thermal co-efficient of expansion All of these Greater diffusivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Basic bricks are not made of Foresterite Fireclay Magnesite Chromite Foresterite Fireclay Magnesite Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the None of these Tunnel kilns Sun Rotary kilns None of these Tunnel kilns Sun Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Reducing atmosphere Neutral atmosphere Electric furnace Oxidising atmosphere Reducing atmosphere Neutral atmosphere Electric furnace Oxidising atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Both A & B Corrosion by layer of slag Washing action of metal Neither A nor B Both A & B Corrosion by layer of slag Washing action of metal Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is Yellow None of these Light buff to reddish buff Black Yellow None of these Light buff to reddish buff Black ANSWER DOWNLOAD EXAMIANS APP
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