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