A metallic alloy in which one of the constituent metal is __________ , is called an amalgam.
Hastelloy comprises of
Metalloid is
The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement.
With increase in the carbon percentage in the steel, its
Vycor, a widely used material for making 'thermal wells' in temperature measurement, is a
The softest material in Mho's scale (for measuring hardness) is
The damage/deterioration of metals by the __________ action of fluids is called 'erosion'.
Wrought iron is having very high
When iron is rusted, it is
Post weld heat treatment is done by
Stainless steel contains
Containers made of high silicon cast iron (Si) are not suitable for the storage of
How many atoms are there per unit cell in a body centred cubic lattice system ?
Presence of cobalt in steel improves its
Lead
Hastelloy C is a good material of construction in chemical process industry, since it is
Ceramic materials fabrication can not be done by
The increase in hardness of metal due to its cold working is termed as the __________ hardening.
High speed cutting tool steels contain about __________ percent of tungsten.
Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ?
Valves in pipe size ofand under are normally made of
Soap kettle used in the production of laundry soap is made of
Photographic plates are coated with
Cast iron has
Mixing vessel used for the chlorination of methane to produce methyl chloride is made of
Which has the maximum melting point out of the following ?
Copper is dissolved from its ore by H2SO4 in a percolation tank made of
The 'bomb' in the bomb calorimeter is made of
Which of the following has the least value of ultimate tensile strength (UTS) ?
Ceramic materials are
Nickel made/clad equipments are suitable for handling
The most resistant material to alkaline corrosion is
The fermentor used in the production of pencillin (by deep fermentation process) is made of
Locomotive boiler tubes are made of __________ alloys.
Ammonium chloride solution is stored/ treated in __________ vessels/pipes.
For platinum thermocouples, lead wires are made of
Mild steel is used for making
The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called
Pick out the wrong statement.
Cast iron is
Bearings subjected to light load are made of
Which of the following is produced by condensation polymerisation ?
__________ does not contain tin as an alloying material.
Which is an amorphous material ?
Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of
Tin coating is not done by
Nickel (76%) and chromium (15%) alloys are termed as
Slow and progressive deformation of a material with time under constant stress is called
Nickel and copper are the basic constituents of