Table 11.11 The Typical Higher Heating Value of Natural Gas Source of Gas | Heating Value (Btu/lbm) | Heating Value (Btu/ft³) @ 60 °F and 30 in · Hg --- | --- | --- Pennsylvania | 23,170 | 1129 Southern California | 22,904 | 1116 Ohio | 22,077 | 964 Louisiana | 21,824 | 1002 Oklahoma | 20,160 | 974 Based on Babcock and Wilcox Company, Steam: Its Generation and Use.
Added by Tom
Close
Step 1
Given that 1 gallon is approximately 3.79 kilograms, the mass of water in 80 gallons is: \[80 \times 3.79 = 303.2 \text{ kg}\] Show more…
Show all steps
Your feedback will help us improve your experience
Nicholas Mogoi and 83 other Physics 101 Mechanics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Natural gas is sold in the US at $1.03 per CCF. The efficiency of the natural gas furnace is 87.8%. What is the actual cost of heating per MMBTU? Recall that 1 MCF = 1,000 cu. ft and has 1,000,000 BTU; 1 CCF = 100 cu. ft and has 100,000 BTU.
Cal W.
6.S16 The energy consumption for 90 gas-heated homes during a winter heating season is given in the table below. The variable reported is BTU/number of heating degree days. a. Calculate the sample mean and standard deviation of energy usage. b. Construct a histogram of the energy usage data and comment on the shape of the data distribution. c. Construct a stem-and-leaf diagram of energy usage. d. What proportion of the energy usage data is above the average usage plus 2 standard deviations? 7.87 9.43 7.16 8.67 12.31 9.84 16.90 10.04 12.62 7.62 11.12 13.43 9.07 6.94 10.28 9.37 7.93 13.96 6.80 4.00 8.58 8.00 5.98 15.24 8.54 11.09 11.70 12.71 6.78 9.82 12.91 10.35 9.60 9.58 9.83 9.52 18.26 10.64 6.62 5.20 12.28 7.23 2.97 8.81 9.27 11.29 8.29 9.96 10.30 16.06 14.24 11.43 10.28 13.60 5.94 10.36 6.85 6.72 10.21 8.61 11.62 11.21 10.95 7.62 10.40 12.92 15.12 13.47 8.47 11.70 7.73 8.37 7.29 10.49 8.69 8.26 7.69 12.19 5.56 9.76 7.15 12.69 13.38 13.11 10.50 14.35 13.42 6.35 9.83 12.16
Sheryl E.
Q1 The energy consumption for 90 gas-heated homes during a winter heating season in Michigan is given in Table Q1. The unit of variable reported is BTU/number of heating degree days. Table Q1: Energy Usage in BTU/Number of Heating Degree Days 7.87 9.43 7.16 8.67 12.31 9.84 16.90 10.04 12.62 7.62 11.12 13.43 9.07 6.94 10.28 9.37 7.93 13.96 6.80 4.00 8.58 8.00 5.98 15.24 8.54 11.09 11.70 12.71 6.78 9.82 12.91 10.35 9.60 9.58 9.83 9.52 18.26 10.64 6.62 5.20 12.28 7.23 2.97 8.81 9.27 11.29 8.29 9.96 10.30 16.06 14.24 11.43 10.28 13.60 5.94 10.36 6.85 6.72 10.21 8.61 11.62 11.21 10.95 7.62 10.40 12.92 15.12 13.47 8.47 11.70 7.73 8.37 7.29 10.49 8.69 8.26 7.69 12.19 5.56 9.76 7.15 12.69 13.38 13.11 10.50 14.35 13.42 6.35 9.83 12.16 (a) Calculate the sample mean, median, variance, and standard deviation of energy usage. (b) Construct a histogram of the energy usage data and comment on the shape of the data distribution.
Samriddhi S.
Recommended Textbooks
University Physics with Modern Physics
Physics: Principles with Applications
Fundamentals of Physics
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD