The main alloying elements high speed steel in order of increasing proportion are
In basic bessemer process, the furnace is lined with
A steel containingtochromium and about 0.carbon is called
The metal suitable for bearings subjected to light loads, is
Combined carbon in iron makes the metal
When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces
Which of the following steel making process is being adopted at Rourkela Steel Plant?
18-4-1 high speed steel contains
The type of space lattice found in alpha-iron is
Beryllium bronze has
Specify the sequence correctly
The upper critical point varies according to the carbon content in steel.
Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?
Polyvinylchloride (PVC) is a __________ material.
The alloy, mainly used for corrosion resistance in stainless steels is
The strength is the ability of a material to resist
The brown smoke during the operation of a bessemer Converter indicates that the
Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities?
Thermoplastic materials are those materials which
In a unit cell of a body centred cubic space lattice, there are __________ atoms.
Silicon is added in low carbon steels to
Which of the following material has maximum malleability?
A coarse grained steel
Which of the following metal is used for nuclear energy?
In a unit cell of close packed hexagonal space lattice, there are twenty four atoms.
The temperature required for full annealing in hyper-eutectoid steel is
Martensite has needle like structure and is magnetic.
Monel metal contains
Admirality gun metal contains
The hardness of steel depends upon the
Which of the following material has maximum ductility?
Cast iron has
According to Indian standard specifications, cast iron designated by 'FGmeans
Nichrome contains more iron than Inconel.
Monel metal is an alloy of
A fine grained steel
The percentage of phosphorus is phosphor bronze is
Cartidge brass can be
An eutectoid steel consists of
The nuts and bolts are made from silicon steel.
The red flame during the operation of a bessemer converter indicates that the
Hardness of steel is increased by adding sulphur, lead and phosphorus.
Chromium when added to steel __________ the tensile strength.
In induction hardening, the depth of hardening is controlled by controlling the voltage.
Babbit metal contains
In high speed steels, vanadium adds to the property of red hardness and tungsten and chromium add to high wear resistance.
Which of the following statement is correct?
Shock resisting steels should have
Silicon in cast iron
Phosphor bronze has