__________ is not a case hardening process.
Pick out the wrong statement.
Cast iron detachable joint is used in __________ pipes.
Galvanising is generally done on
Lead alone is not used in storing equipment, because it
H2SO4 (<concentration) is corrosive to
To improve the machinability of steel, it is generally subjected to
Nitriding of steel is a process for
Addition of tungsten to steel imparts
Iron alloyed with carbon uptois called
Caustic soda is transported in __________ lined containers.
Very high sulphur in pig iron makes
Light weight metallic alloy used in aircraft industry is
Common house hold glass (i.e., soda-lime glass) is a/an __________ material.
Materials having __________ lattice structure are usually most ductile.
Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it.
Presence of silicon in steel
Which of the following is not used as the ceramic material in 'cermets' ?
Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium
In the Kraft process of sulphate paper pulp manufacture, the black liquor and the white liquor storage tank is made of
Glass lined vessels are not used for handling
Which of the following has a very high carbide forming tendency in steels ?
The most distinguished property of malleable cast iron is its high
Hot working of lead is carried out at
Which of the following is an alloy of nickel and copper ?
Gunmetal and bronze are not corroded by the action of
In the kraft (sulphate) process for the paper manufacture, the digestor is made of
Invar contains the highest percentage of
Metalloid is
Pick the odd man out of the following.
High speed steel tools retain their hardness upto a temperature of __________ °C.
Polythene (low or high density) containers are not corroded by
Which of the following is the most elastic material ?
Glass lined vessels are not used for handling/storing
Dilute sulphuric acid is transported in __________ pipes.
The material used in the filament of electric bulbs is
Dead mild steel, which contains 0.to 0.percent carbon is used for making
A bearing metal should not have
Hardening of steel is not possible unless it is heated __________ critical point.
Hydrochloric acid absorber in made of
Which of the following is a light alloy ?
Atmospheric corrosion of metals result from their
Cast iron and steel pipes are produced by __________ casting.
Generally __________ are subjected to galvanising (i.e., zinc coating).
The ability of a material to absorb energy in the elastic range is a measure of its
DDT is shipped in
Cold work tool steel should have
Silicon percentage in acid resistant cast iron is about
Dry chlorine can be handled in a vessel made of
Brine solution is stored/treated in __________ lined vessels/pipes.