31. Low grade fuels have
32. Bagasse is
33. Power plants using coal work closely on known which of the following cycle ?
34. Chemical composition of coal is given by
35. Which of the following contributes to the improvement of efficiency of Rankine cycle in a thermal power plant ?
36. In power station practice spinning reserve is
37. In a steam locomotive the engine is
38. Ash content of coal can be reduced by
39. Coal used in power plant is also known as
40. Which variety of coal has lowest calorific value?
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