Q. The charge of the blast furnace consists of

View solution

Q. The ability of a material to resist fracture due to high impact loads, is called

View solution

Q. The purpose of heat treatment is to

View solution

Q. An alloy of copper, tin and zinc is known as

View solution

Q. Which of the following iron exist between 910° C and 1403° C?

View solution

Q. The material in which the atoms are arranged chaotically, is called

View solution

Q. In basic bessemer process, the furnace is lined with

View solution

Q. Polyvinylchloride (PVC) is a __________ material.

View solution

Q. In a unit cell of close packed hexagonal space lattice, there are twenty four atoms.

View solution

Q. In process annealing, the hypo-eutectoid steel is

View solution

Q. Delta-iron occurs between the temperature range of

View solution

Q. According to Indian standard specifications, SG 400/15 means

View solution

Q. White cast iron has

View solution

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

View solution

Q. Which of the following metal shrinks most from molten state to solid state?

View solution

Q. A steel containing ferrite and pearlite is

View solution

Q. The defect which takes place due to imperfect packing of atoms during crystallisation is known as

View solution

Q. The upper critical point varies according to the carbon content in steel.

View solution

Q. A coarse grained steel

View solution

Q. Cast iron is a ductile material.

View solution