Related Questions

The softest material just next to talc in the Mhos scale is
A Quartz
B Gypsum
C Feldspar
D Fluorite
The hardest material just prior to diamond in Mhos scale is
A Topax
B Carborundum
C Corrundum
D Calcite
The softest material just next to talc in the Mho's scale is
A Quartz
B Gypsum
C Feldspar
D Fluorite
Which of the following is the softest material?
A Quartz
B Calcite
C Corrundum
D Flourite
Which of the following constituents of steels is softest and least strong?
A Austenite
B Pearlite
C Ferrite
D Cementite
The softest rock is
A Marble
B Diamond
C Talc
D Quartz
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
Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale.
A Kelvin
B Centigrade
C Fahrenheit
D Reaumer
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

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