Related Questions

Addition of __________ to steel does not impart hardness.
A Nickel
B Copper
C Chromium
D Silicon
A teacher's duty is not just to impart information to the student, but also to rouse their curiosity. Choose the meaning of impart.
A import
B export
C give away
D pass on
Addition of __________ to steel can not impart it high strength at elevated temperature.
A Nickel
B Magnesium
C Silicon
D Manganese
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
All of the following alloying elements of steel increases hardness but sacrifice ductility, except
A Nickel
B Vanadium
C Molybdenum
D Chromium
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
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
Presence of __________ hardness is responsible for the temporary hardness in water.
A Carbonate
B Calcium
C Choride
D Sulphate
Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser?
A Ethylene glycol
B Stearic acid estors
C Tricresyl phosphate
D Esters of phthalic acid

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