A. Vickers hardness test
B. Shore scleroscope test
C. Brinell hardness test
D. Rockwell hardness test
Related Mcqs:
- Presence of _____________ hardness is responsible for the temporary hardness in water?
A. Carbonate
B. Calcium
C. Chloride
D. Sulphate - Which of the following is an example of cathodic protection of metals against corrosion ?
A. Painted steel
B. Galvanised iron
C. Case hardened steel
D. Lead lined reactor - Which of the following liquid metals has the highest thermal conductivity ?
A. Molten sodium
B. Molten lead
C. Mercury
D. Molten potassium - Brinell Hardness Number (BHN) for talc is approximately in the range of ____________________?
A. 1-5
B. 20-30
C. 100-150
D. 200-250 - A psychrometer does not measure the __________________ temperature of moist air?
A. Dew point
B. Dry bulb
C. Wet bulb
D. None of these - The resistance of water to the passage of light through it is a measure of the___________________?
A. Turbidity
B. Color
C. Hardness
D. Dissolved gases - Activity co-efficient is a measure of the____________________?
A. Departure from ideal solution behaviour
B. Departure of gas phase from ideal gas law
C. Vapour pressure of liquid
D. None of these - Fugacity is a measure of the____________________?
A. Escaping tendencies of the same substance in different phases of a system
B. Relative volatility of a mixture of two miscible liquids
C. Behaviour of ideal gases
D. None of these - Entropy is a measure of the _____________ of a system?
A. Disorder
B. Orderly behaviour
C. Temperature changes only
D. None of these - A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of _____________ high above earth’s atmosphere, which absorbs it?
A. Hydrogen
B. Carbon dioxide
C. Ozone
D. None of these
