Bronze is an alloy of copper and
Brinell Hardness Number (BHN) for talc is approximately in the range of
Water gas generator is made of
The digester of a Gobar gas plant is a
For handling sulphuric acid ofstrength, the suitable material of construction for pipes is
__________ alloys have the highest specific strength of all the structural materials out of the following.
Caustic soda can be stored in __________ drums.
Thermosetting resins are those polymers, which
Cold worked steel parts are normally subjected to
A material no longer behaves elastically beyond
Constantan used in thermocouples is an alloy of
Which of the following is not a nickel based alloy ?
Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its
Concentrated HCl at 30°C can be stored in a vessel made of
Which of the following stainless steels is non-magnetic ?
Acid proof stoneware
Which of the following has the poorest wel-dability ?
Steel balls for ball bearings are generally made of __________ steel.
Which of the following exercises most powerful influence on the mechanical properties of steel ?
Dies for wire drawing are generally made of
The ability of a material to offer resistance to scratching or indentation is a measure of its
Cast iron has
H2SO4 at 30°C can't be stored in a vessel made/lined with
Work hardening of a material
When the steel is subjected to normalising, its __________ decreases.
Babbit metal (used for making bearings) comprises of
Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about
Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower
A material is able to retain the deformation permanently by virtue of its
__________ steel is widely used for the manufacture of motor car crankshafts.
Visco-elastic behaviour of materials which is time dependent is common in
Coke oven walls are lined with __________ bricks.
Babbit metal used for making bearings should have
A magnetic material becomes __________ above the Curie temperature.
Diamagnetic materials are magnetised
Creep is not exhibited at low temperature by
Nickel and molybdenum are the basic constituents of
Beehive coke ovens are made of __________ bricks.
Percentage of silver in German silver is
Balls in a ball mill are usually made of
Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of
Brine (concentration) can be stored in a vessel made of
Which of the following is not an alloy of tin?
Carbon content in plain carbon steel is __________ percent.
Duralumin is an alloy of
The most commonly used resin for making reinforced plastic is
Most suitable material for high pressure vessel operating atatm. andC is
Hydrochloric acid is stored in a __________ steel vessel.
Chrome vanadium steels usually contain 0.8 to 1.Cr, 0.to 0.C and < 0.V. It is
Ball bearings are generally made of