Question 6

Mechanical wearing away of the surfaces of refractory bodies in service by washing action of moving liquid or gases is called
  • Question 7

    Refractory lined pipe used for the transport of hot particulate medium and gases between process vessels is called
  • Question 8

    Refractories means
  • Question 9

    The most commonly used binder for refractory concrete is
  • Question 10

    The most common sizes in thickness for hex mesh are