Chemical Engineering — Test 118

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Question 1

Water content in ground refractory material to be shaped into bricks by hand moulding is about ______________ percent?

Question 2

Maximum alumina content in high alumina refractory can be as high as _____________ percent?

Question 3

Panel test determines the _____________ of refractories?

Question 4

Chemically, mullite refractories is____________________?

Question 5

Presence of MgO in alumino-silicate refractories _______________ its refractoriness?

Question 6

Fireclay bricks are not used in the _________________?

Question 7

High porosity refractory bricks have _______________?

Question 8

Magnesite refractories are generally not used in the___________________?

Question 9

Thermal diffusivity of a refractory brick is high, when its ____________ is high?

Question 10

With increase in the alumina content, the refractoriness of high alumina refractories_______________?