The strength is the ability of a material to resist
The property of a material which enables it to retain the deformation permanently, is called
Which of the following property is desirable in parts subjected to shock and impact loads ?
Cast iron is a ductile material
Iron ore is, usually, found in the form of
Blast furnace is used to produce
Smelting is the process of
The portion of the blast furnace below its widest cross-section is called
The fuel used in a blast furnace is
The slag from the blast furnace
The cupola is used to manufacture
Cast iron is manufactured in
The gray cast iron has ____
Silicon in cast iron
Chilled cast iron is produced
Which of the following inpurity in cast iron makes it hard and brittle ?
In acidic bessemer process, the furnace is lined with
Duplex process of steel making is a combination of
A steel containing 16 to 18% chromium and about 0.12% carbon is called
18/8 stainless steel consists of
Which of the following is a mesomorphous material ?
Slow plastic deformation of metals under a constant stress is known as
Delta iron occurs at temperature of
Which of the following constituents of steels is softest and least strong ?
Ferrites that are used in transformer or electromagnetic cores contain nickel, zinc, and/or manganese compounds.
They have a low coercivity and are called soft ferrites.