Q. Corrosion involves exchange of electrons in __________ corrosion.

View solution

Q. Carbon is present in steel wholly in the

View solution

Q. In SO₃ absorber (Contact Process), packing material used is of

View solution

Q. Presence of manganese in alloy steel improves its

View solution

Q. Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with

View solution

Q. A material is called 'ductile', if it can be

View solution

Q. A chemical change takes place when iron

View solution

Q. Evaporator used for concentrating tomato juice is made of

View solution

Q. High carbon steel contains more than __________ percent carbon.

View solution

Q. The main constituent of carborundum is __________ carbide.

View solution

Q. Ammonium chloride solution is stored/ treated in __________ vessels/pipes.

View solution

Q. Nickel and copper are the basic constituents of

View solution

Q. Copper has very low

View solution

Q. Hardest material so far found is

View solution

Q. Most suitable material of construction for the storage of concentrated nitric acid is

View solution

Q. Soap kettle used in the production of laundry soap is made of

View solution

Q. Nickel made/clad equipments are suitable for handling

View solution

Q. Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of

View solution

Q. In hot wire aneomometer used for gas flow measurement, the wire is normally made of

View solution

Q. The heat treatment process to which castings and the steel balls produced by cold heading are subjected is

View solution