Question 21
Refractory packing requirements, the weight in the bag, shall not deviate by more than
Question 22
The formation of slag takes place by chemical action and fusion at furnace operating temperature in the way of
Question 23
An internal component used for the separation of solids from flue or product gas in a fluid coking unit is called
Question 24
The exposure of a material or body to a rapid change in temperature which may have a deleterious effect
Question 25
The loss of fragmented refractories from the face of the refractory structure, through cracking and rupturing which results in the exposure of the original inner portion of the refractory lining is called