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  1. Oxygen cylinders used for autogenous (cutting/welding) purposes are
  2. Brinell Hardness Number (BHN) for talc is approximately in the range of
  3. Multistage compression of air as compared to single stage compression offers the advantage of
  4. When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the
  5. In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just…
  6. __________ wire is never used for making the heating element.
  7. Breakeven point represents the condition, when the company runs under no profit no loss condition. In…
  8. Silicon percentage in silicon steel used for electrical equipments is about
  9. Material of construction of the electrode used in the electric resistance welding is
  10. With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________…
  11. Cupola produces __________ iron.
  12. Maraging steels derive their strength from the following mechanism:
  13. In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient…
  14. Which of the following forces does not act on a fluid at rest?
  15. A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.
  16. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________…
  17. Materials having resistivity ranging from 1 to 100 ohm. cm is termed as
  18. To counteract the bad effects of strain hardening on a cold formed part, it must be
  19. Which of the following is not a principal alloying element for the structural steel?
  20. __________ test is the appropriate test to determine whether a material is ductile or brittle.
  21. Baffles provided on the shell side of a shell and tube heat exchanger are meant for
  22. Pick out the correct statement
  23. Working of linear variable differential transducer (LVDT) is based on the principle of variable
  24. Silicon percentage in acid resistant cast iron is about
  25. Metal shots used in shot blasting are made of
  26. A thin, flat & square plate measuring 2 m × 2 m is freely hanging in ambient air at 25°C.…
  27. Pressure exerted by a liquid depends upon its
  28. The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.
  29. Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.
  30. __________ is a special constituent of chlorophyll without which photosynthesis is not possible.