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8/6/2009 · The hydraulic test is carried out to inspect the tightness of joints, fittings and the leakages from the repaired parts. To carry out this test, the boiler is completely filled with pressurized water. The water pressure is different for different situations as below, 01) For an old boiler, the hydraulic pressure applied will be 150% of theLearn More
The efficiency can be measured easily by measuring all the losses occurring in the boilers usingthe principles to be described. The disadvantages of the direct method can be overcome by thismethod, which calculates the various heat losses associated with boiler. The efficiency can bearrived at, by subtracting the heat loss fractions from 100.An important advantage of thismethod is that the errors in measurement do not make significant change in efficiency.Thus if boiler efficiency is 90%, an error of 1% in direct method will result in significantchange in efficiency. i.e. 90 ± 0.9 = 89.1 to 90.9. In indirect method, 1% error in measurementof losses will result in Efficiency = 100 (10 ± 0.1) = 90 ± 0.1 = 89.9 to 90.1The various heat losses occurring in the boiler …Learn More
annually to feed the boilers generating the steam. " Generally speaking, steam is a very efficient way to transport heat energy because the amount of latent heat required to produce steam from water is quite large, and steam is easily moved inLearn More
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