Q. Hammers and railway rails are normally made of

View solution

Q. Softness of silver can be converted into hardness by alloying it with small quantity of

View solution

Q. The addition of antimony in tin-based alloys improves its

View solution

Q. The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability ?

View solution

Q. Dielectric strength of a material is

View solution

Q. Which of the following stainless steels is non-magnetic ?

View solution

Q. 18-4-1 high speed steel contains 18%, 4% and 1% respectively of

View solution

Q. Aluminium as a material of construction suffers from the disadvantage of

View solution

Q. Babbit metal used for bearings is a____base alloy.

View solution

Q. Constituents of stellite are

View solution

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