The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.

A. Red

B. Extended

C. Super

D. Extreme

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Stresses encountered in the metal forming processes are less than the __________ of the material.
  2. Pick out the correct statement.
  3. The most detrimental impurity in high pressure boiler feed water is
  4. Which of the following is prone to cup and cone fracture?
  5. Which of the following is an acidic constituent of B.F. slag?
  6. During sensible cooling of air, its wet bulb temperature
  7. Magnetic permeability of iron is increased by its
  8. Gratings is associated with the measurement of
  9. A reduction in thermal resistance during heat transfer does not occur in the
  10. A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change.…
  11. A psychrometer does not measure the __________ temperature of moist air.
  12. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.
  13. Which one can be directly solidified from gaseous state without entering into liquid state?
  14. A compact estimate about the amount of materials handling between various work stations is obtained…
  15. With increase in compression ratio, the volumetric efficiency of air compressor
  16. Property responsible for the talcum powder to cling to the skin is the
  17. Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
  18. Pressure required to increase the density of water by about 1% is __________ atmosphere.
  19. Increase in the entropy of a system represents the
  20. The hardenability of steel decreases with
  21. In inventory control theory, the economic order quantity (EOQ) is the
  22. Which of the following performance characteristics of a S.I engine is not affected by the front end…
  23. 'Flare tower' used in industry is meant for
  24. Galvanic corrosion cannot be prevented by
  25. The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.
  26. __________ can replace tungsten in high speed steel.
  27. Wrought iron does not have
  28. Uniform ramming of sand in green sand moulding process leads to
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  30. Large scale fire on fuel gas line is normally extinguished by