Concept explainers
Find the percentage change in total amount of electricity generated in

Answer to Problem 42P
The percentage change in total amount of electricity generated in
Explanation of Solution
Given data:
Refer to common Table for problems 18.36 through 18.42 as “Electricity Generation by fuel, 1980-2030 (billion kilowatt hours)-Data from U.S. Department of energy” in textbook,
The projected value of coal in the year
The projected value of coal in the year
The projected value of coal in the year
The projected value of coal in the year
The projected value of petroleum in the year
The projected value of petroleum in the year
The projected value of petroleum in the year
The projected value of petroleum in the year
The projected value of natural gas in the year
The projected value of natural gas in the year
The projected value of natural gas in the year
The projected value of natural gas in the year
The projected value of nuclear fuel in the year
The projected value of nuclear fuel in the year
The projected value of nuclear fuel in the year
The projected value of nuclear fuel in the year
The projected value of renewable in the year
The projected value of renewable in the year
The projected value of renewable in the year
The projected value of renewable in the year
Formula used:
Formula for the linear interpolation is,
Formula to calculate the total amount of electricity in the year
Formula to calculate the total amount of electricity in the year
Formula to calculate the total amount of electricity in the year
Formula to calculate the total amount of electricity in the year
Formula to calculate the percentage change of coal in
Calculation:
Substitute
Substitute
Substitute
Substitute
To find the projected value total amount of electricity at the year
The diagrammatic representation for the given value is drawn below,
Substitute
Equation (7) can be reduced as follows,
Therefore, the total amount of electricity generated in
To find the projected value total amount of electricity at the year
The diagrammatic representation for the given value is drawn below,
Substitute
Equation (8) can be reduced as follows,
Therefore, the total amount of electricity generated in
Substitute
The percentage change in total amount of electricity generated in
Conclusion:
Thus, the percentage change in total amount of electricity generated in
Want to see more full solutions like this?
Chapter 18 Solutions
EBK ENGINEERING FUNDAMENTALS: AN INTROD
- NOTE: Use areal methods only for V,M,N diagrams(Do NOT use the equations) (also draw the N diagram(s) for the entire structure)arrow_forwardNOTE: Use areal methods only for V,M,N diagrams(Do NOT use the equations) (also draw the N diagram(s) for the entire structure)arrow_forwardNOTE: Use areal methods only for V,M,N diagrams(Do NOT use the equations) (also draw the N diagram(s) for the entire structure)arrow_forward
- NOTE: Use areal methods only for V,M,N diagrams(Do NOT use the equations) (also draw the N diagram(s) for the entire structure)arrow_forwardProblem 2: Use the table below to compute the coordinates of the centroid of area shown below. y – 3 in.—|— 4 in. - -3 3 in. 3 in. x Area X X * Area y Y * Area Component (in²) (in) (in³) (in) (in³) Square 1 Rectangle 2 Triangle 3 Rectangle 4 Σarrow_forwardA shallow foundation measuring 1 m × 2 m in plan is to be constructed over a normally consolidated sand layer. Given: D₁ = 1 m, №60 increases with depth, N 60 (in the depth of stress influence) = 11, Estimate the elastic settlement using Burland and Burbidge's method. (Enter your answer to three significant figures.) Se mm and Inet = 138 kN/m².arrow_forward
- A continuous foundation on a deposit of sand layer is shown in the figure below along with the variation of the cone penetration resistance qc 1.5 m 0 2.5 m Sand 14 q= 195 kN/m² qe (kN/m²) 9 1750 93450 9c=2900 Depth (m) Assuming = 16 kN/m² and creep is at the end of ten years after construction, calculate the elastic settlement of the foundation using the strain influence factor method. Use the equations 22 Iz Es 0 | Se = C₁C2 (9) Az and Es = 3.5qc (for L/B> 10) (Enter your answer to three significant figures.) Se = mmarrow_forwardDetermine the stiffness matrices for the entire truss in the global co-ordinate system. Assume A=0.0015m2 and E=200GPa, indicate the degrees of freedom in all stiffness matricies.arrow_forwardneed helparrow_forward
- NEED HELP.arrow_forwardnent 6-Transverse Shear & Deflection ↓ 2 of 2 -+ Automatic Zoom 4.) The built-up wooden beam shown is subjected to a vertical shear of 8 kN. Knowing the the nails are spaced longitudinally every 60 mm at A and every 25 mm at B, determine the shear force in the nails at A and B. (5 points) 50 300- 400 A 50 A C 150 B A 100 50 200 A B Dimensions in mm 5.) A 2.5 inch x 5.5 inch rectangular Southern pine section (E=1.8 x 103 ksi) is used in an 8 ft cantilever span subjected to the loads shown. Compute the deflections at point A. (4 points) Дarrow_forwardE:/school%20pack/BENG%202/EG231/STATICS/LECTURE%20NOTES/PRACTICE%20QUESTIONS/EG%20231%20Chap-5%20Practice%20Que PDF 豆豆豆豆豆豆 aw V Aa | Ask Copilot - + 4 of 8 D 3. Calculate the y-coordinate of the centroid of the shaded area. 74 mm y 3232 mm mm DELL 32 mm -x F1 F2 F3 F4 F5 F6 F7 F8 F9 prt sc F10 home end F11 F 2 W E3 $ 4 € 95 % & 6 7 8 * 00 R T Y כ 9 O Parrow_forward
- Engineering Fundamentals: An Introduction to Engi...Civil EngineeringISBN:9781305084766Author:Saeed MoaveniPublisher:Cengage Learning

