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Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.

A. Slip

B. Fracture

C. Winning

D. Dislocation

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

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  1. To counteract the bad effects of strain hardening on a cold formed part, it must be
  2. __________ stress cannot be sustained by a fluid in equilibrium.
  3. What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer…
  4. Case hardening of a material is
  5. With increase in temperature, the surface tension of water
  6. The minimum carbon content in steel should be __________ percent for it to respond to a hardening treatment.
  7. Which of the following approaches the ideal gas behaviour most closely?
  8. Pick out the wrong statement.
  9. A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2 is
  10. Materials having resistivity ranging from 1 to 100 ohm. cm is termed as
  11. High endurance limit of carburised machine parts is because of the fact that carburisation
  12. If the demand for an item is trebled and the order cost is reduced to one third, then the economic order…
  13. __________ is the most important element, which controls the physical properties of steel.
  14. Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.
  15. In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which…
  16. Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________…
  17. The best guide to judge the general quality of water is the measurement of its
  18. Normalising of a casting does not
  19. The normal stress is the same in all directions at a point in a fluid, only when the fluid
  20. Function of fusible plug in a boiler is to
  21. Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the…
  22. If a solid is compressed adiabatically in its elastic range, its __________ remains constant
  23. Which of the following is not the function of a volute casing provided in a centrifugal pump?
  24. Pick out the wrong statement.
  25. The cathode in an electrochemical cell always carries
  26. Quartz is a __________ material.
  27. For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is…
  28. A jig is used while __________ a hole.
  29. Which of the following is the most suitable abrasive for grinding high tensile strength materials?
  30. A form of stress corrosion failure termed as 'season cracking' is generally observed in