Q. Residual magnetism in steel for magnets is increased by the addition of

View solution

Q. Presence of nickel in steel improves its

View solution

Q. Cementite is

View solution

Q. Acetylene gas holder is made of

View solution

Q. The range of Mho's scale of hardness is from

View solution

Q. Which of the following pairs of elements may form an alloy ?

View solution

Q. SO₃ is absorbed using H₂SO₄ in a

View solution

Q. Carbon percentage in medium carbon steel is around

View solution

Q. The preferred material of construction for storage tanks for 98% sulphuric acid is

View solution

Q. Fatigue strength of a material increases by

View solution

Q. Specify the material of construction suitable for handling concentrated HNO₃ at 100°C.

View solution

Q. Aluminium storage vessel can be used to store

View solution

Q. Silicone rubber is not resistant to the corrosive action of

View solution

Q. Which metal is protected by the layer of its own oxide ?

View solution

Q. Steel tower used for the storage of oleum

View solution

Q. Plastics are

View solution

Q. Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of

View solution

Q. Wood is corroded by

View solution

Q. Brass is an alloy of

View solution

Q. The fermentor used for the production of ethyl alcohol from molasses is made of

View solution