A. Cast iron
B. Stainless steel
C. Karbate carbon
D. Wrought iron
Related Mcqs:
- In the Kraft process of sulphate paper pulp manufacture, the black liquor and the white liquor storage tank is made of _______________?
A. Concrete
B. Wood
C. Steel
D. Porcelain - Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with______________?
A. Acidic refractory
B. Rubber
C. Karbate
D. Lead or acid proof bricks - Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with__________________?
A. Acidic refractory
B. Rubber
C. Karbate
D. Lead or acid-proof bricks - Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of___________________?
A. Rubber lined mild steel
B. Lead lined mild steel
C. Aluminium
D. Cast iron - The carbonating tower used in Solvay process of soda ash manufacture is made of_________________?
A. Cast iron
B. Stainless steel
C. Karbate
D. Lead lined steel - In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of_____________________?
A. Stainless steel
B. Cast iron
C. Lead lined steel
D. Rubber lined steel - In SO3 absorber (Contact Process), packing material used is of________________?
A. Cast iron
B. Chemical stoneware
C. Karbate
D. Mild steel - Maximum consumption of lead is in the manufacture of _________________________?
A. Storage batteries
B. Solder alloys
C. Electric cable sheathing
D. Lead lined vessels - Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its ______________________?
A. High co-efficient of thermal expansion
B. Low thermal conductivity
C. High corrosion resistance
D. All A., B. and C. - _____________ steel is widely used for the manufacture of motor car crankshafts?
A. Silicon
B. Nickel
C. Chrome
D. High speed
