Refractory Technology 'Spinel', a refractory mineral is chemically represented as MgSO₄ MgAl2O₃ MgAl2O₃.2H₂O MgAl2O₄ MgSO₄ MgAl2O₃ MgAl2O₃.2H₂O MgAl2O₄ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar bonded dolomite bricks Are stored under controlled temperature & humidity to avoid hydration Are used in outer lining of L.D. converters Have poorer hydration resistance than pitch bonded bricks All of these Are stored under controlled temperature & humidity to avoid hydration Are used in outer lining of L.D. converters Have poorer hydration resistance than pitch bonded bricks All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? Silica High alumina refractory Carbon black Fireclay Silica High alumina refractory Carbon black Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology PCE value (Segar cone) of superduty refractories is more than 33, which is equivalent to a temperature of __________ °C. 1520 1730 1670 1630 1520 1730 1670 1630 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 1000 10 100 500 1000 10 100 500 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks has the most close values of RUL and PCE? Silica bricks Tar dolomite bricks Fireclay bricks High alumina bricks Silica bricks Tar dolomite bricks Fireclay bricks High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
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