Question 46

Refractories chemically and physically stable at
  • Question 47

    Arrange for testing at either an independent laboratory or the manufacturer's plant is
  • Question 48

    The vessel in which coke and residual hydrocarbons are burned off the catalyst and the flue gas is then separated from the catalyst is called
  • Question 49

    Packing of chemical setting refractories should have mechanical protection by
  • Question 50

    When is metal fiber reinforcement used in castable refractory?