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Which of the following does not have a sharp melting point?

A. Thoria

B. Glass

C. Ice

D. Pig iron

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

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  1. __________ is the most suitable lubricant for drawing mild steel wires?
  2. Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
  3. Plasma is
  4. Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air…
  5. Which of the following approaches the ideal gas behaviour most closely?
  6. Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.
  7. Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical…
  8. Which of the following is an undesirable property of slag produced during the Pyrometallurgical method…
  9. An atom bomb works on the principle of
  10. In chemical dehumidification process
  11. Pressure required to increase the density of water by about 1% is __________ atmosphere.
  12. Which of the following materials has the least scrap value?
  13. Calorific value of __________ are almost same.
  14. The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used.…
  15. Function of fusible plug in a boiler is to
  16. The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
  17. Which of the following metals is the most prone to work hardening?
  18. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________…
  19. Unit of viscosity in CGS system is
  20. Pick out the wrong conversion of absolute & kinematic viscosities.
  21. Fibre glass is a composite material of
  22. Dowtherm is a
  23. Which of the following is prone to cup and cone fracture?
  24. To improve the machinability of steel, it is generally subjected to
  25. The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling…
  26. What is the percentage of chromium in 18-4-1 high speed steel?
  27. While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen…
  28. Which of the following metals cannot be hot worked at room temperature?
  29. Gross national product (GNP) means the total value of __________ in a country.
  30. In a neutral solution