Related Questions

Stellite is a trade name for the
A Cermets
B Ferrous cast alloys
C Non-ferrous cast alloys
D Products made by powder metallurgy techniques
Constituents of stellite are
A Zinc, copper & nickel
B Cobalt, chromium & tungsten
C Zinc, aluminium & nickel
D Nickel, cobalt & vanadium
Stellite is a __________ material.
A Ferrous
B Ceramic
C Cemented carbide
D Non ferrous cast alloy cutting tool
Which of the following absorbs the insolation from the sun and preserves the earth's radiated heat, thus acting like a blanket allowing the earth neither to become too cold nor too hot?
A Dust
B Water vapour
C Ozone
D Nitrogen
If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to
A Total alkalinity
B Total hardness
C Total hardness total alkalinity
D Non carbonate hardness
Grain hardness is measured by the __________ hardness testing method.
A Knoop
B Rockwell F
C Shore sceleroscope
D Vicker's
Which of the following hardness tests does not measure the indentation hardness of metals and alloys ?
A Vicker's hardness test
B Shore sceleroscope test
C Brinell hardness test
D Rockwell hardness test
Which of the following hardness tests uses the depth of penetration caused by the indentor as the parameter for arriving at the hardness value of a material ?
A Shore sceleroscope test
B Vicker's hardness test
C Brinell hardness test
D Rockwell hardness test
Presence of __________ hardness is responsible for the temporary hardness in water.
A Carbonate
B Calcium
C Choride
D Sulphate
High speed steel tools retain their hardness up to a temperature of
A 250°C
B 350°C
C 500°C
D 900°C

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