Q. In the austempering process of heat treatment, austenite changes into

View solution

Q. Iron-carbon alloys containing 4.3% carbon are known as hypo-eutectic cast irons.

View solution

Q. The approximate height of a blast furnace is

View solution

Q. A steel alloy containing 36% nickel is called

View solution

Q. The addition of manganese to aluminium improves corrosion resistance.

View solution

Q. The temperature point at which the change ends on heating the steel is called

View solution

Q. Admirality gun metal contains

View solution

Q. The percentage of phosphorus is phosphor bronze is

View solution

Q. In high speed steels, vanadium adds to the property of red hardness and tungsten and chromium add to high wear resistance.

View solution

Q. For the pipe fitting like elbow, tee, union etc., which of the following is preferred?

View solution

Q. Chilled cast iron is produced

View solution

Q. Which of the following material has maximum malleability?

View solution

Q. Nichrome contains more iron than Inconel.

View solution

Q. Hardness of steel is increased by adding sulphur, lead and phosphorus.

View solution

Q. German silver contains

View solution

Q. The machine tool guide ways are usually hardened by

View solution

Q. In a unit cell of a body centred cubic space lattice, there are __________ atoms.

View solution

Q. Cast iron has

View solution

Q. The nuts and bolts are made from silicon steel.

View solution

Q. Silicon in cast iron

View solution