Hamad Refractory Technology 28/06/2021 A. Modulus of rupture B. Permanent linear change C. Resistance to CO attack D. RUL Related Mcqs: Silicon carbide refractories have very low ___________________?A. Refractoriness (< 1700°C) B. Thermal conductivity C. Resistance to thermal shock D. None of these... Ferromagnetic ceramic material is not used in the__________________?A. Thermal insulation B. Transformers C. Magnetic switches D. Television sets... Pyrometric cone equivalent (PCE) value (Segar cone) of ‘Superduty refractories’ is more than 33 which corresponds to a temperature of _____________ °C?A. 1520 B. 1630 C. 1670 D. 1730... Tar dolomite bricks are used in the_________________?A. Basic Bessemer converter B. Basic open hearth furnace C. Electric furnaces D. All A., B. and C.... Colour of fireclay bricks is_________________?A. Light buff to reddish buff B. Yellow C. Black D. None of these...
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