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Out of the following, the alloy which has equal percentage of constituents, is

A. White metal

B. Gun metal

C. Duralumin

D. Constantan

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

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  1. The elastic strain in copper is due to the
  2. Out of the following, the __________ pipe has the least corrosion resistance.
  3. In electrical resistance welding, distortion results from the use of improper
  4. Milk is fat dispersed in water. It is an example of
  5. Ferromagnetic materials owe their properties to __________ inner sub-shells.
  6. Water hammer is caused in steam carrying pipelines, because of
  7. Addition of silicon to cast iron
  8. In condensers used in thermal power plants, steam is normally used in shell side and cooling water on…
  9. Out of the following, which will fracture most readity, when hit with a hard hammer?
  10. Materials having resistivity ranging from 1 to 100 ohm. cm is termed as
  11. One ton of refrigeration is not equivalent to the heat removal rate of
  12. The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature…
  13. Coarse grained steels have
  14. On being hit with a hammer, __________ will readily fracture.
  15. Vernier calipers cannot be used to measure the
  16. The amount of different substances produced, when the same quantity of electricity is passed through…
  17. Change in volume of metals from absolute zero temperature to their melting points is
  18. An atom bomb works on the principle of
  19. __________ of austenite decreases the hardenability in steel.
  20. To counteract the bad effects of strain hardening on a cold formed part, it must be
  21. Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.
  22. Basic open hearth furnace (BOF) is not used for producing __________ steel.
  23. Which of the following materials has the poorest electrical conductivity?
  24. In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres…
  25. Which of the following mainly decides the current to be employed is arc welding?
  26. A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change.…
  27. The phenomenon occurring during explosion of a hydrogen bomb is
  28. If a solid is compressed adiabatically in its elastic range, its __________ remains constant
  29. Pick out the wrong statement about coating/electroplating of metals.
  30. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.