최신 API-936 무료덤프 - API Refractory Personnel
Refractories that are resistant to chemical attack by both acid and basic slags, refractories, or fluxes at high temperature is
정답: C
API 936, the standard test method for the workability index of fire clay and high alumina plastic refractories are
정답: A
Based on screen analysis the fines (cement, fumed silica, fine alumina) in typical modern castable is
정답: C
In API RP 936, the referenced ASTM standard procedure for cold crushing strength and modulus of rupture is
정답: C
Refractory failure mechanisms are.
정답: A
A group of impure magnesium silicate minerals that occur in a fiberous form is known as
정답: A
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
정답: C
Materials having refractory properties which form a refractory body when bonded into a conglomerate mass by a matrix is called
정답: D
Packing of chemical setting refractories should have mechanical protection by
정답: C
Alumina - silica refractories containing 45% or more alumina, materials used in their production include diaspore, bauxite, gibbsite, kyanite, sillimanite, alusite, and fused alumina (artificial corundum) is called
정답: B