Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same

A. Period increases

B. Period decreases

C. Group increases

D. Both 'b' & 'c'

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

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  1. Function of fusible plug in a boiler is to
  2. Atomic __________ of an element is a whole number.
  3. Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
  4. Stellite is a __________ material.
  5. High speed steel tools retain their hardness upto a temperature of __________ °C.
  6. The unit of gc is
  7. __________ test can be termed as the semidestructive test.
  8. Calorific value of __________ are almost same.
  9. For dynamic strain measurement, the Wheatstone bridge used is of __________ type.
  10. Dislocation cross-slip is difficult in those materials, which have
  11. A solution which resists change in its pH value on addition of acid/alkali is called the __________…
  12. In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length,…
  13. The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
  14. The mechanism involved in the removal of metal in drilling operation is by
  15. Which of the following varies as the square root of oil pressure during atomisation of fuel oil through…
  16. Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses…
  17. Removal of non-condensable from steam or other vapour is termed as the __________ process.
  18. The difference between gross & net calorific values of fuel is due to the
  19. The atmospheric temperature during melting of ice/snow (in the atmosphere)
  20. __________ is the most important element, which controls the physical properties of steel.
  21. The refractory lining of the bottom in a basic electric arc furnace is made of
  22. In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________…
  23. The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.
  24. Which of the following is an unconventional source of energy?
  25. Pick out the wrong statement.
  26. The only suitable method for hardening the low carbon steel is case hardening. Which of the following…
  27. The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed…
  28. Which of the following contributes maximum as main source of sulphur in the blast furnace charge?
  29. Which of the following pairs is not correctly matched?
  30. Energy of the sun arises mainly from __________ reactions.