What is the value of entropy at 273°K?

A. 0

B. 1


D. None of these

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  1. At the point of boundary layer separation in fluid flow, the
  2. Fine grained steels have
  3. The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong
  4. Fire in fuel gas pipelines is extinguished most effectively by
  5. Cold chisel & hammers are made of
  6. __________ is used as a material of construction for the blade of power saw.
  7. __________ of austenite decreases the hardenability in steel.
  8. Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the…
  9. Titanium is produced by __________ of Ti Cl4.
  10. Use of water as a manometric liquid suffers from the disadvantage of its
  11. Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well.…
  12. __________ test can be termed as the semidestructive test.
  13. Solute atoms which cause yield point phenomenon in mild steel are/is
  14. The underground well of a biogas plant is called the
  15. Fog is an example of colloidal system of
  16. In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb…
  17. Chromium molybdenum steel cannot be welded using __________ welding.
  18. Which of the following is not a characteristic observed in material failure by fatigue fracture?
  19. Sub zero treatment of steel is done to
  20. Age hardening is connected with
  21. Two solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution
  22. Thermit welding uses the following energy source.
  23. Force between the molecules of the same substance is called __________ force.
  24. Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat…
  25. Which of the following has the highest value of refractive index?
  26. Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A.…
  27. Which of the following is the most wear resistant grade of carbide used for the cutting tools?
  28. Which of the following mainly decides the current to be employed is arc welding?
  29. Gross national product (GNP) means the total value of __________ in a country.
  30. Which of the following is preferred for riveting?