Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory None of these Cements Mortars Castables None of these Cements Mortars Castables ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have All of these Greater diffusivity Low thermal co-efficient of expansion Low specific heat All of these Greater diffusivity Low thermal co-efficient of expansion Low specific heat ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. Superduty fireclay Chromite None of these Silica Superduty fireclay Chromite None of these Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Tar bonded dolomite bricks Fireclay bricks Mullite bricks Magnesite bricks Tar bonded dolomite bricks Fireclay bricks Mullite bricks Magnesite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractories are not used in High frequency induction furnaces in the form of inductors Furnaces subjected to fluctuating temperature Lining high temperature ceramic kilns Making sheaths for thermocouple High frequency induction furnaces in the form of inductors Furnaces subjected to fluctuating temperature Lining high temperature ceramic kilns Making sheaths for thermocouple ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using All of these Higher moulding pressure Finer grog size Higher firing temperature All of these Higher moulding pressure Finer grog size Higher firing temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS