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Increase in the entropy of a system represents the

A. Degradation of energy

B. Decrease in system pressure

C. Increase in the availability of energy

D. Increase in the temperature

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  1. Steel balls are manufactured by
  2. The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer…
  3. __________ wire is never used for making the heating element.
  4. If the head is doubled in & centrifugal pump, the power required will increase in the ratio of
  5. Which of the following is an example of cathodic protection of metals against corrosion?
  6. 'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and
  7. Increasing the carbon content of steel
  8. Quartz is a __________ material.
  9. Which of the following is not a principal alloying element for the structural steel?
  10. The mechanism which changes the value of manipulated variable in response to the output signal from…
  11. Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when
  12. Material of construction of the electrode used in the electric resistance welding is
  13. Cold chisels hammers are made of
  14. A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
  15. When the wavelength of incident X-rays increases, the angle of diffraction
  16. Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.
  17. Pick out the wrong statement.
  18. Thermal efficiency of an internal combustion engine is around __________ percent.
  19. For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship…
  20. Secondary hardening in steels arises out of the
  21. In a good rimming steel
  22. During sensible heating of humid air
  23. Blow off cock is provided in steam boiler to
  24. Mild steel has __________ crystal lattice structure.
  25. Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation…
  26. Tesla metre per ampere (T. m/A) is the unit for the measurement of
  27. M10 index of coke indicates its
  28. Atomic __________ of an element is a whole number.
  29. Powder metallurgy is used to produce
  30. An oxidation process is accompanied with decrease in the