Refractory Technology Mcqs for Chemical

Q.  SiO2 percentage in firebrick is about____________________?

a. 35-40
b. 55-60
c. 80-85
d. > 94


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Fireclay bricks are never used in the______________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Magnesite bricks are used in those parts of furnaces, which are __________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  High thermal conductivity of a refractory material is not important, when it is to be used in the______________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Pyrometric cone equivalent (PCE) value (Segar cone) of ‘Superduty refractories’ is more than 33 which corresponds to a temperature of _____________ °C?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Basic bricks are not made of ___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  A steel member used in the furnace construction to take the thrust of the brickwork is called___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Hollow refractory bricks are made by___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Refractoriness/fusion points of ‘Superduty’ refractories is _______________ °C?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  With increase in the porosity, thermal spalling resistance of fireclay brick___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Quartz is___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Water content in ground refractory material to be shaped into bricks by hand moulding is about ______________ percent?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Maximum alumina content in high alumina refractory can be as high as _____________ percent?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Panel test determines the _____________ of refractories?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Chemically, mullite refractories is____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Presence of MgO in alumino-silicate refractories _______________ its refractoriness?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Fireclay bricks are not used in the _________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  High porosity refractory bricks have _______________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Magnesite refractories are generally not used in the___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Thermal diffusivity of a refractory brick is high, when its ____________ is high?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts