Out of the following the refractive index is the highest for

A. Glass

B. Diamond

C. Brine

D. Kerosene

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

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  1. The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring…
  2. Coating provided on the electrodes used in the arc welding is not expected to
  3. Steel produced from phosphatic iron is __________ in nature.
  4. Speed of a submarine in deep sea & that of an aeroplane is measured by a/an
  5. Eutectoid composition of carbon steel at room temperature is
  6. Pick out the wrong statement.
  7. Cementite is in the lamellar form in the __________ phase of steel.
  8. The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and…
  9. Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented…
  10. Constituents of stellite are
  11. Wrought iron does not have
  12. Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
  13. In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb…
  14. Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium
  15. __________ is not a case hardening process.
  16. The condition of diffraction from a crystal is given by
  17. Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of
  18. Name the safety device used to protect the boiler, when the water level falls below a minimum level.
  19. Transformer cores are normally made from
  20. Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.
  21. Temper brittleness of a material can be fairly detected by the __________ test.
  22. A material is capable of resisting softening at high temperature, because of its property termed as
  23. Galvanic corrosion cannot be prevented by
  24. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________…
  25. Material of construction of foundry crucible is
  26. Which of the following phenomenon will exhibit the minimum heat transfer?
  27. Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.
  28. The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
  29. Triple point of water is
  30. Which of the following relationships is correct for relating the three elastic constants of an isotropic…