최신 API-936 무료덤프 - API Refractory Personnel
Applicator qualification for thin layer erosion resistant lining, each applicator shall pack a test panel of size.
정답: A
The term that describes the condition of pre-set refractory in which gravitational forces cause it to lose its desired shaped is called
정답: A
Colour coding does not require for anchor alloy of
정답: A
A separation between adjoining parts of a refractory lining that allows small expansive movements, such as those caused by thermal change is known as
정답: B
Castable, gunning mixes, ramming mixes, plastics, and mortars are
정답: B
A group of rock minerals having nearly perfect cleavage in one direction and consisting of thin elastic plates and the most common varieties are muscovite and biotite is called
정답: A
A moldable refractory material that can be extruded and has a level of workability that permits it to be pounded into place to form a monolithic structure
정답: A
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
정답: D
Based on screen analysis the fines (cement, fumed silica, fine alumina) in typical modern castable is
정답: C
Mechanical wearing away of the surfaces of refractory bodies in service by washing action of moving liquid or gases is called
정답: D