Q. The presence of hydrogen in steel causes

View solution

Q. Y-alloy contains

View solution

Q. The steel scrap added in the charge of cupola controls the grade of cast iron produced.

View solution

Q. The main alloying elements high speed steel in order of increasing proportion are

View solution

Q. Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?

View solution

Q. Which of the following metal is used for nuclear energy?

View solution

Q. Tin base white metals are used where the bearings are subjected to

View solution

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