Chemical Engineering MCQs

A. Tridymite
B. Cristobalite
C. Quartz
D. None of these

A. Silicon carbide
B. Magnesite
C. Chromite
D. Graphite

A. Fireclay
B. Direct bonded basic
C. Silica
D. Magnesite

A. Silicon carbide
B. Alumina
C. Zirconia
D. Graphite

A. Rotary kilns
B. Tunnel kilns
C. Sun
D. None of these

A. Tar bonded dolomite bricks
B. Fireclay bricks
C. Mullite bricks
D. Magnesite bricks

A. Specific gravity
B. Fusion point
C. Rul
D. None of these

A. Fireclay bricks
B. Mullite bricks
C. Tar dolomite bricks
D. High alumina bricks

A. Depends on the nature of slag & refractory
B. Decreases at higher temperature
C. Decreases, if defective joints & cracks exist in the refractory
D. All a., b. and c.

A. Beehive oven
B. Coke oven walls
C. Zinc roaster
D. Lead blast furnace