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__________ is not used as a material of construction in thermocouples.

A. Alumel

B. Rhodium

C. Constantan

D. Duralumin

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  1. Silicon in steel
  2. Between 230 and 370°C, blue brittleness is caused in mild steel because of the
  3. Isotropic materials have the same __________ in all directions.
  4. Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.
  5. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.
  6. The pressure outside a bubble/droplet of liquid is __________ the internal pressure.
  7. Fire in fuel gas pipelines is extinguished most effectively by
  8. Tin based white metals are used, where bearings are subjected to
  9. Which of the following does not have a sharp melting point?
  10. Superheating of steam is done at constant
  11. Solute atoms which cause yield point phenomenon in mild steel are/is
  12. Basicity of the slag in Indian blast furnace is in the range of
  13. __________ wire is never used for making the heating element.
  14. Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.
  15. At absolute zero temperature, for any reaction involving condensed phases
  16. Nickel is a __________ material.
  17. Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute…
  18. Resilience of a bolt can be increased by increasing its
  19. In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean…
  20. What is the percentage of chromium in 18-4-1 high speed steel?
  21. Corona discharge is related to the operation of a/an
  22. __________ is used as a material of construction for the blade of power saw.
  23. Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
  24. The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the…
  25. All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in…
  26. Coarse grained steels have
  27. Hydro-cyclone is a
  28. Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________…
  29. Age hardening is connected with
  30. Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.