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

Q. Super conductors are those substances, which

View solution

Q. Cermets are used for making

View solution

Q. The formation of oxide film on a metal due to atmospheric exposure reduces its

View solution

Q. A hardened steel essentially contains

View solution

Q. Which one contains the least percentage of carbon ?

View solution

Q. Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of

View solution

Q. All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain

View solution

Q. Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si)

View solution

Q. Which of the following is not a copper based alloy with nickel ?

View solution

Q. Which of the following alloys does not contain nickel ?

View solution

Q. An elastic behaviour of materials is expressed in terms of

View solution

Q. Pure nickel is

View solution

Q. In drop forging process, the forging is done by dropping the __________ at high velocity.

View solution

Q. Which of the following is not an alloy of copper and tin ?

View solution

Q. Lead

View solution