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If every project under construction is completed to specifications and delivers upon its production capacity as listed, United States cellulosic ethanol production will be more than triple that in 2017.: Supported
For under-construction projects, in terms of its share of total production capacity, corn fiber cellulose is becoming a more popular feedstock compared to its share in operational projects in 2017.: Not supported
If all California (CA) and Iowa (IA) projects under construction are completed to specifications and deliver upon production capacity as listed, the percent increase in California ethanol production from 2017 would be more than 200 times the percent increase in Iowa ethanol production from 2017.: Not supported
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
95%
(hard)
Question Stats:
36% (03:24) correct
64%
(03:38)
wrong
based on 123
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The table below lists commercial cellulosic ethanol projects as of the 2017 report, when the United States had an annual production capacity of approximately 30 million gallons of cellulosic ethanol.
For each of the following statements, select Supported if it is supported by the information in the table. Otherwise select Not supported.
1.jpg [ 216.6 KiB | Viewed 6287 times ]
| Project Name | State | Production Capacity (million gallons) | Feedstock | Status |
|---|---|---|---|---|
| Ace Ethanol | WI | 3.0 | corn fiber cellulose | Under Construction |
| Aemetis | CA | 45.0 | nut wastes | Under Construction |
| Element | KS | 7.0 | corn fiber cellulose | Under Construction |
| Fiberight | ME | 6.0 | municipal solid waste | Under Construction |
| Flint Hills | IA | 3.0 | corn fiber cellulose | Operational |
| Flint Hills | IA | 3.0 | corn fiber cellulose | Under Construction |
| Flint Hills | IA | 2.5 | corn fiber cellulose | Under Construction |
| Flint Hills | IA | 3.0 | corn fiber cellulose | Under Construction |
| Little Sioux Corn Processors | IA | 1.5 | corn fiber cellulose | Operational |
| Mid America Agri Products | NE | 1.0 | corn fiber cellulose | Operational |
| Pacific Ethanol | CA | 1.0 | corn fiber cellulose | Operational |
| Pacific Ethanol | ID | 1.0 | corn fiber cellulose | Under Construction |
| Pacific Ethanol | CA | 1.0 | corn fiber cellulose | Under Construction |
| POET-DSM | IA | 20.0 | crop residues | Operational |
| Quad County Corn Processors | IA | 2.1 | corn fiber cellulose | Operational |
| Siouxland Energy | IA | 1.0 | corn fiber cellulose | Operational |
For each of the following statements, select Supported if it is supported by the information in the table. Otherwise select Not supported.
Attachment:
1.jpg [ 216.6 KiB | Viewed 6287 times ]
| Supported | Not supported | |
| If every project under construction is completed to specifications and delivers upon its production capacity as listed, United States cellulosic ethanol production will be more than triple that in 2017. | ||
| For under-construction projects, in terms of its share of total production capacity, corn fiber cellulose is becoming a more popular feedstock compared to its share in operational projects in 2017. | ||
| If all California (CA) and Iowa (IA) projects under construction are completed to specifications and deliver upon production capacity as listed, the percent increase in California ethanol production from 2017 would be more than 200 times the percent increase in Iowa ethanol production from 2017. |
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Official Answer
If every project under construction is completed to specifications and delivers upon its production capacity as listed, United States cellulosic ethanol production will be more than triple that in 2017.: Supported
For under-construction projects, in terms of its share of total production capacity, corn fiber cellulose is becoming a more popular feedstock compared to its share in operational projects in 2017.: Not supported
If all California (CA) and Iowa (IA) projects under construction are completed to specifications and deliver upon production capacity as listed, the percent increase in California ethanol production from 2017 would be more than 200 times the percent increase in Iowa ethanol production from 2017.: Not supported
15 Nov 2024, 10:45
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Official Solution:
Statement 1:
The production capacity in 2017 was approximately 30 million gallons, while the production capacity of projects under construction is approximately 70 million gallons. Thus, once the under-construction projects are completed, the total production capacity will be approximately 100 million gallons, which is more than three times the initial 30 million gallons. Therefore, the first statement is supported.
Statement 2:
Corn fiber cellulose production in operational projects was approximately 10 million gallons out of a total of 30 million gallons, or about 1/3 of the total. For under-construction projects, corn fiber cellulose production is approximately 20 million gallons out of a total of 70 million gallons, which is less than 1/3 of the total. Therefore, the second statement is NOT supported.
Statement 3:
California ethanol production in 2017 was 1 million gallons, with projected production at 46 million gallons, corresponding to an increase of 4,600%. In Iowa, ethanol production in 2017 was 27.6 million gallons, with projected production at 8.5 million gallons, corresponding to an increase of approximately 30%. Since 4,600% / 30% is approximately 150, the third statement is NOT supported.
Correct answer:
If every project under construction is completed to specifications and delivers upon its production capacity as listed, United States cellulosic ethanol production will be more than triple that in 2017. "Supported"
For under-construction projects, in terms of its share of total production capacity, corn fiber cellulose is becoming a more popular feedstock compared to its share in operational projects in 2017. "Not supported"
If all California (CA) and Iowa (IA) projects under construction are completed to specifications and deliver upon production capacity as listed, the percent increase in California ethanol production from 2017 would be more than 200 times the percent increase in Iowa ethanol production from 2017. "Not supported"
Attachment:
GMAT-Club-Forum-c5uwnrhj.png [ 56.57 KiB | Viewed 1430 times ]
15 Nov 2024, 18:40
Kudos
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1. The question asks us to analyze the statements and check whether they are supported by the information in the table.
2. If every project under construction is completed to specifications and delivers upon its production capacity as listed, United States cellulosic ethanol production will be more than triple that in 2017. The total production that will be added is 1 + 1 + 3 + 2.5 + 3 + 6 + 7 + 45 + 3 = 71.5 (million). In the end it will increase by \(\frac{30 + 71.5}{30} \approx 3.4\) times, which is more than 3. So, this statement can be supported.
3. For under-construction projects, in terms of its share of total production capacity, corn fiber cellulose is becoming a more popular feedstock compared to its share in operational projects in 2017. The percentage for under-contruction projects is \(\frac{20.5}{71.5} \approx 28.7\%\) and the percentage for operational projects is \(\frac{9.6}{30} \approx 32\%\). So, this statement can't be supported.
4. If all California (CA) and Iowa (IA) projects under construction are completed to specifications and deliver upon production capacity as listed, the percent increase in California ethanol production from 2017 would be more than 200 times the percent increase in Iowa ethanol production from 2017. California went from 1 to 46 + 1 = 47 and Iowa went from 27.6 to 8.5 + 27.6 = 36.1. The ratio of percent changes is equal to \(\frac{\frac{47}{1}-1}{\frac{36.1}{27.6}-1} \approx 149\) times, which is less than 200. So, this statement can't be supported.
2. If every project under construction is completed to specifications and delivers upon its production capacity as listed, United States cellulosic ethanol production will be more than triple that in 2017. The total production that will be added is 1 + 1 + 3 + 2.5 + 3 + 6 + 7 + 45 + 3 = 71.5 (million). In the end it will increase by \(\frac{30 + 71.5}{30} \approx 3.4\) times, which is more than 3. So, this statement can be supported.
3. For under-construction projects, in terms of its share of total production capacity, corn fiber cellulose is becoming a more popular feedstock compared to its share in operational projects in 2017. The percentage for under-contruction projects is \(\frac{20.5}{71.5} \approx 28.7\%\) and the percentage for operational projects is \(\frac{9.6}{30} \approx 32\%\). So, this statement can't be supported.
4. If all California (CA) and Iowa (IA) projects under construction are completed to specifications and deliver upon production capacity as listed, the percent increase in California ethanol production from 2017 would be more than 200 times the percent increase in Iowa ethanol production from 2017. California went from 1 to 46 + 1 = 47 and Iowa went from 27.6 to 8.5 + 27.6 = 36.1. The ratio of percent changes is equal to \(\frac{\frac{47}{1}-1}{\frac{36.1}{27.6}-1} \approx 149\) times, which is less than 200. So, this statement can't be supported.
