Mastering power production ; the industrial, economic and social problems involved and their solution . y per dollar invested and rent. The effect of such riseof production expenses is either reduction of profit, if price ofproduct can not be advanced, or inflation of price of product. But 123 whether the owner or the public has to stand the consequence, thefact is that the operation is getting more inefficient and waste andcost are increased without any value being added to the establish a fund parallel to the sinking fund to take care of oramortize this increased cost of inefficie
Mastering power production ; the industrial, economic and social problems involved and their solution . y per dollar invested and rent. The effect of such riseof production expenses is either reduction of profit, if price ofproduct can not be advanced, or inflation of price of product. But 123 whether the owner or the public has to stand the consequence, thefact is that the operation is getting more inefficient and waste andcost are increased without any value being added to the establish a fund parallel to the sinking fund to take care of oramortize this increased cost of inefficient operation thus making theultimate consumer of the product contribute to that inefficientfund would appear unjust and impractical, yet this is exactly whatis being done to-day under another name. Any charge or pricefixing that is based on the cost of operating the equipment in the 700 i—m i i i rn i i r Increase of Temperature of Escaping Flue-gases wth Heating SurfaceCleaned Once a Week() Compared witfi Cleaning Twice a Dag(x) N0TE: SJiaded Area Correspondsfo Saving due to Upkeep. 8 500 0) 400. Deterioration of Efficiencu of Heatinq Surface i i i i [ r i j_J i Fig. 37.—Deterioration of Effiency The conductivity of heating surface decreases rapidly with an accumulation ofsoot and scale. The losses accumulate rapidly during the week when the cleaningis made every seven days, whereas when cleaning is made daily, at the end of twoweeks period, the losses are considerably reduced. Similar effect is observed whenthe boilers are turbined and washed out instead of preventing formation of scale. average condition of repair and not at its best operating economy isa form of taxatoin to cover the loss caused by imperfect illustrate this fact graphically, Figure 36 has been several years the efficiency of a large central station was grad-ually dropping, due to unwise economy in maintenance expense, untilfinally it was consuming 35,000 more tons of coal tha
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