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  1. The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed…
  2. The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling…
  3. The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer…
  4. While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous…
  5. Silicon percentage in silicon steel used for electrical equipments is about
  6. The thickness of oxide film is y at time t. If are the temperature dependent constants, the parabolic…
  7. Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.
  8. Hot & cold working of material causes its __________ deformation.
  9. In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean…
  10. The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
  11. Pick out the wrong statement.
  12. For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
  13. 'Ice point' is designated on Fahrenheit temperature scale by
  14. Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
  15. In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________…
  16. A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle…
  17. One ton of refrigeration is not equivalent to the heat removal rate of
  18. Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble…
  19. __________ of austenite decreases the hardenability in steel.
  20. The most important function of a washer is to provide bearing area and washers are normally specified…
  21. At 100% relative humidity, the dew point temperature of moist air is
  22. What is the value of included angle of a triangular notch for maximum discharge?
  23. Eutectoid composition of carbon steel at room temperature is
  24. Silicon percentage in acid resistant cast iron is about
  25. If the head is doubled in & centrifugal pump, the power required will increase in the ratio of
  26. Which of the following can be manufactured using powder metallurgy techniques?
  27. Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying…
  28. __________ is a non volatile film forming constituent of a paint.
  29. Speed of a submarine in deep sea & that of an aeroplane is measured by a/an
  30. What is the value of entropy at 273°K?