Refractory Technology MCQs

215 questionsChemical-EngineeringPage 3 of 24

Practice free Refractory Technology multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 215 questions — no login required.

Question 19easy
Use of higher percentage of lime for bonding silica bricks, reduces their
Question 20easy
Which of the following does not occur during firing/burning of refractories?
Question 21easy
Carbon bricks are not used in the lining of the
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Question 22easy
High alumina refractory compared to fireclay bricks have
Question 23easy
Which furnace consumes maximum refractory annually in an integrated steel plant?
Question 24easy
Cold crushing strength of ordinary fireclay brick is about 950 kg/cm2. On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm2.
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Question 25easy
Grog addition in fireclay during brick manufacture is done to
Question 26easy
Quartz is
Question 27easy
Pyrometric cone equivalent (PCE) of a refractory is the measure of its
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