The material used for coating the welding electrode is termed as the

A. Flux

B. Slag

C. Protective layer

D. Binder

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

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  1. Which of the following is resistant to the action of both heat & chemicals?
  2. Presence of nickel & chromium in steel does not raise its
  3. A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal…
  4. __________ test can be termed as the semidestructive test.
  5. High relative humidity decreases the evaporative process and as the temperature is increased, the relative…
  6. The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.
  7. Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.
  8. As per international norms, the maximum permissible value of noise level in the industrial environment…
  9. Pick out the wrong statement.
  10. Working of linear variable differential transducer (LVDT) is based on the principle of variable
  11. 'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and
  12. Pick out the wrong statement about the machinability of metals. Machinability of a metal
  13. Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.
  14. The starting of a car takes time in winter, because the
  15. A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change.…
  16. Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________…
  17. On being hit with a hammer, __________ will readily fracture.
  18. 'Amortization' in respect of financial obligation of a company means the
  19. Water flow in the river during flood can be categorised as the __________ flow.
  20. Water hammer is caused in steam carrying pipelines, because of
  21. Nickel is a __________ material.
  22. Tip of the match stick contains a mixture of
  23. Pick out the wrong statement.
  24. A form of stress corrosion failure termed as 'season cracking' is generally observed in
  25. Which of the following commonly used condenser tube materials has the lowest thermal conductivity?
  26. Lead is poured into the joints between two __________ pipes.
  27. Brittleness induced due to the presence of sulphur in steel can be reduced by adding
  28. Pressure required to increase the density of water by about 1% is __________ atmosphere.
  29. Which of the following varies as the square root of oil pressure during atomisation of fuel oil through…
  30. 'Cryogenics' is concerned with the generation & use of low temperature in the range of