Refractory Technology Mcqs for Chemical

Q.  Use of higher percentage of lime for bonding silica bricks, reduces their__________________?

a. Strength
b. Abrasion resistance
c. Both A. & B.
d. Neither A. nor B.


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  Crushing strength of a refractory____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Colour of fireclay bricks is_________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with _____________ bricks?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Highest melting (m.p = 3070°C) oxide refractory is__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Dilatometer is used for the determination of ______________ of refractories?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for _____________ bricks?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The maximum linear expansion of silica bricks during firing is about ______________ percent?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Hot blast main (carrying air at 1000°C) in blast furnace are lined with ______________ bricks?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  With decrease in porosity, the ______________ of the refractories decreases?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  ______________ bricks should not be used in oxidising atmosphere?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Magnesite bricks have poor resistance to attack by _____________ slag?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Which is not a natural insulating material ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following is not a high alumina refractory material ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  ___________________ is the measure of the strength of refractory under the combined effect of temperature & load ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Which one contains minimum percentage of SiO2 ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as _____________ percent?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Mullite is chemically represented by_________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  High alumina refractory compared to fireclay bricks have____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Porosity of fireclay refractories is _______________ percent?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Fusion temperature of pure silica (SiO2) is _______________ °C?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts