In the Kraft (sulphate) process for the paper manufacture, the digestor is made of________________?
A. Cast iron
B. Stainless steel
C. Karbate carbon
D. Wrought iron
A. Cast iron
B. Stainless steel
C. Karbate carbon
D. Wrought iron
A. Steel
B. Cast iron
C. Stainless steel
D. Bronze
Balls in a ball mill are usually made of__________________? Read More »
Materials and Construction A. Beryllium
B. Manganese
C. Copper
D. Iron
Spark plugs, ignition tubes and electrodes are made of nickel ____________ alloys? Read More »
Materials and Construction A. Strongly
B. Only slightly
C. With eddy currents only
D. In a direction opposite to that of the applied field
Diamagnetic materials are magnetised________________? Read More »
Materials and Construction A. Lead lined
B. Rubber lined
C. Glass lined
D. Stainless
Hydrochloric acid is stored in a _____________ steel vessel? Read More »
Materials and Construction A. Platinum or gold alloys
B. High carbon steel
C. Aluminium
D. Nickel
For spinning viscose rayon, the extrusion spinnerettes are made of ___________________? Read More »
Materials and Construction A. Slow oxidation
B. Fast oxidation
C. Fast hydration
D. Slow dehydration
Atmospheric corrosion of metals result from their________________? Read More »
Materials and Construction A. Tin
B. Lead
C. Aluminium
D. Copper
Babbitt metal used for bearings is a ____________base alloy? Read More »
Materials and Construction A. Withstand compression
B. Absorb vibration
C. Absorb shock
D. None of these
Ability of a material to ______________ is indicated by its damping capacity? Read More »
Materials and Construction A. Karbate
B. Lead or glass
C. Fireclay bricks
D. PVC