Category: Materials and Construction

A. Stainless steel
B. Cast iron
C. Aluminium
D. Nickel

A. Copper
B. Cast iron
C. Steel
D. Monel metal

A. Hydrochloric acid (10%)
B. Nitric acid
C. Sulphuric acid upto 60°C
D. All A., B. and C.

A. Acidic refractory
B. Rubber
C. Karbate
D. Lead or acid proof bricks

A. Carbon
B. Iron
C. Phosphorous
D. None of these

A. 0.2
B. 2
C. 4
D. 8

A. A low carbon steel (0.05 to 0.3% carbon)
B. Highly resistant to corrosion (as much as stainless steel)
C. A high carbon steel (0.5 to 1.5% carbon)
D. Very poor in strength & ductility

A. Acetone
B. Ammonia
C. Ethyl alcohol
D. Formic acid

A. Price
B. Corrosion resistance
C. Thermal conductivity
D. Abundant availability

A. Mainly tin (85%) and lead
B. Saw dust and iron dust mixture
C. Zinc and aluminium
D. Copper and aluminium