Table 17.5 is a handy guide to compare the quantity of fuel needed to deliver eq

Question

Table 17.5 is a handy guide to compare the quantity of fuel needed to deliver equivalent amounts of heat (20 MBtu, in this case). Look online to find the data needed to calculate the current costs for each quantity of fuel (e.g. 1 cord of wood, 5876 kWh of electricity, etc.) Fill in the last column. Show your work.

Table 17.5 AMOUNTS OF FUEL NEEDED TO PRODUCE 20 MBtu OF HEAT MBtu Efficiency MBtu Quantity Available Delivered Fuel Cost Fuel Medium-density wood 1 cord 70 20 Number 2 fuel oil 222 gal 31 65 Electricity 5876 kWh 20 20 100 Natural gas 26,800 27 20 75 292gal Bottled gas 20 2440 lb Coal 65 20 31

Explanation / Answer

* Rates are approximate and as per January 2017 in US.

FUEL QUANTITY FUEL COST * Medium Density Wood 1 Cord $ 225 Number 2 Fuel Oil 222 Gal $ 575 Electricity 5876 KWh $ 705 Natural Gas 26800 ft3 $ 375 Bottled Gas 292 Gal $ 700 Coal (Bituminous) 2440 lb $ 63

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