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Tumbling is the process of improving the __________ of the materials/parts.

A. Surface finish

B. Fatigue limit

C. Creep limit

D. Surface cleanliness

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

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  1. Corrosion is
  2. Pressure required to increase the density of water by about 1% is __________ atmosphere.
  3. Babbitt lining is used on brass/bronze bearings to increase the
  4. Stellite is a __________ material.
  5. Which of the following materials has the least scrap value?
  6. Cementite is in the lamellar form in the __________ phase of steel.
  7. __________ is the hardest oxide and is hence used where high wear resistance at high temperature is…
  8. Water-tube boiler is the one, in which
  9. Lead is poured into the joint between two- __________ pipes.
  10. Which of the following properties of a solid is not dependent on crystal imperfection?
  11. Silicon percentage in acid resistant cast iron is about
  12. CANDU type nuclear reactor using natural uranium as fuel is the extensively used nuclear reactor because…
  13. Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
  14. The highest stress that a material can withstand for a specified length of time without excessive deformation…
  15. Spark plug is provided in a/an
  16. Annealing of white cast iron produces __________ iron.
  17. Chlorine acts as a bleaching agent only in the presence of
  18. Blow off cock is provided in steam boiler to
  19. Titanium is produced by __________ of Ti Cl4.
  20. Water flow in the river during flood can be categorised as the __________ flow.
  21. What happens, when SO2 is passed through a solution of H2S in water?
  22. The ratio of the shear stress to the principal stress on a principal plane is
  23. Direct conversion of thermal energy to electrical energy is facilitated by the
  24. A compact estimate about the amount of materials handling between various work stations is obtained…
  25. What is the value of included angle of a triangular notch for maximum discharge?
  26. Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles…
  27. A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation…
  28. Faraday's law of electrolysis is related to the
  29. Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling…
  30. In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length,…