Which of the following hardness tests does not measure the indentation hardness of metals and alloys ?

Related Mcqs:

1. Presence of _____________ hardness is responsible for the temporary hardness in water?

   A. Carbonate B. Calcium C. Chloride D. Sulphate...

2. 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...

3. Which of the following liquid metals has the highest thermal conductivity ?

   A. Molten sodium B. Molten lead C. Mercury D. Molten potassium...

4. Brinell Hardness Number (BHN) for talc is approximately in the range of ____________________?

   A. 1-5 B. 20-30 C. 100-150 D. 200-250...

5. A psychrometer does not measure the __________________ temperature of moist air?

   A. Dew point B. Dry bulb C. Wet bulb D. None of these...

6. 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...

7. 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...

8. 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...

9. Entropy is a measure of the _____________ of a system?

   A. Disorder B. Orderly behaviour C. Temperature changes only D. None of these...

10. 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...