A. Lower cost
B. Abundant availability
C. Resistance to vegetable acids as the tin plate are commercially used in ‘canning’ industry
D. None of these
Related Mcqs:
- Electrochemical corrosion can occur, only if ________________ is present in contact with metal?
A. Air
B. Oxygen
C. Liquid medium
D. Gaseous medium - The cathode in an electrochemical cell always carries____________________?
A. Negative charge
B. Positive charge
C. Zero charge
D. Positive or negative charge depending upon the nature of the cell - _____________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C ?
A. Veneering
B. Galvanising
C. Electroplating
D. Calorising - Photographic plates are coated with _____________________?
A. Silver nitrate
B. Silver halide
C. Calcium silicate
D. Metallic silver - Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of_________________?
A. Lumps
B. Pellets
C. Briquettes
D. Sinter - _____________________ of grey cast iron produces white cast iron?
A. Tempering
B. Rapid heating
C. Rapid cooling
D. Slow cooling - Annealing of white cast iron produces _____________________ iron?
A. Grey
B. Nodular
C. Malleable
D. Spheroidal - ______________________ iron is produced by the annealing of white cast iron?
A. Malleable
B. Nodular
C. Ductile
D. Grey - Iron content in Indian iron ore is about _________________ percent?
A. 80-85
B. 60-65
C. 40-45
D. 20-25 - Tin based white metals are used, where bearings are subjected to___________________?
A. High pressure & load
B. Low pressure & load
C. High temperature
D. Large surface wear
