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High speed steel tools retain their hardness upto a temperature of __________ °C.

A. 500

B. 750

C. 900

D. 1100

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

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  6. Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
  7. A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.
  8. Galvanic corrosion cannot be prevented by
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  10. Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the…
  11. Which of the following pairs is not correctly matched?
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  14. Notched bar test is used for testing the __________ of a material.
  15. Stellite is a __________ material.
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  17. Wavelength of radiation emitted by a body depends on the __________ of its surface.
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  25. __________ is a non volatile film forming constituent of a paint.
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