Q. Beryllium bronze contains

View solution

Q. The portion of the blast furnace below its widest cross-section is called

View solution

Q. Gamma-iron occurs between the temperature range of

View solution

Q. Macro-structure of a material is, generally, examined by

View solution

Q. Aluminium has low density and addition of silicon improves its fluidity and therefore, its castability.

View solution

Q. Which of the following property is desirable for materials used in tools and machines?

View solution

Q. Babbit metal is a

View solution

Q. The metal suitable for bearings subjected to heavy loads, is

View solution

Q. The compressive strength of cast iron is __________ that of its tensile strength.

View solution

Q. When a steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of

View solution

Q. Eutectoid reaction occurs at

View solution

Q. The addition of copper to aluminium possesses maximum strength after heat treatment and age-hardening

View solution

Q. Nickel when added to copper improves

View solution

Q. When filing or machining cast iron makes our hands black, then it shows that __________ is present in cast iron.

View solution

Q. According to Indian standard specifications, a plain carbon steel designated by 40 C8 means that the carbon content is

View solution

Q. Wrought iron

View solution

Q. In iron, the presence of carbon in free form is called graphite.

View solution

Q. In a body centred cubic space lattice, there are nine atoms out of which eight atoms are located at the corners of the cube and one atom at its centre.

View solution

Q. The bond formed by transferring electrons from one atom to another is called

View solution

Q. German silver contains

View solution