936 Practice Test

1Multiple ChoiceSelect all that apply

Which of the following monolithic refractory installation methods are correctly matched to their typical applications in a refinery fired heater? (Choose two.)

A.Gunning - used to apply refractory to areas that are difficult to access or to repair worn linings without shutting down the unit
B.Casting (pouring) - used to form intricate, thin-walled precast shapes that are later anchored in place
C.Ramming - used to consolidate a dry mix around forms by means of a pneumatic or hand rammer for dense, monolithic linings
D.Spraying (shotcreting) - used exclusively for insulating ceramic fiber blankets on cold face linings

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