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The total friction mean effective pressure of a 4-cylinder SI engine has a quadratic function with a = 92, b = 2.3 and c = 3.5. Three measurements have been done at three different engine rotational speeds N. The amep is found equal to 12.3, 21.4 and 28.7 kPa and the pmep is found equal to 21.7, 56.82 and 96.13 kPa at N equal to 2200, 4500 and 6500 rpm respectively. If the mechanical efficiency is equal to 0.85, the net indicated mean effective pressure at N = 4100 rpm is equal to (in kPa): Select one: O a. 2420 O b. 797 O c. 1018 O d. 620 O e. 1438

The total friction mean effective pressure of a 4-cylinder SI engine has a quadratic function with a = 92, b = 2.3 and c = 3.5. Three measurements have been done at three different engine rotational speeds N. The amep is found equal to 12.3, 21.4 and 28.7 kPa and the pmep is found equal to 21.7, 56.82 and 96.13 kPa at N equal to 2200, 4500 and 6500 rpm respectively. If the mechanical efficiency is equal to 0.85, the net indicated mean effective pressure at N = 4100 rpm is equal to (in kPa): Select one: O a. 2420 O b. 797 O c. 1018 O d. 620 O e. 1438

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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The total friction mean effective pressure of a 4-cylinder SI engine has a quadratic function with a = 92, b = 2.3 and c = 3.5. Three measurements have been done at three different engine rotational speeds N. The amep is found equal to 12.3, 21.4 and 28.7 kPa and the pmep is found equal to 21.7, 56.82 and 96.13 kPa at N equal to 2200, 4500 and 6500 rpm respectively. If the mechanical efficiency is equal to 0.85, the net indicated mean effective pressure at N = 4100 rpm is equal to (in kPa): Select one: O a. 2420 OOOO O b. 797 O c. 1018 d. 620 e. 1438 <
Transcribed Image Text:The total friction mean effective pressure of a 4-cylinder SI engine has a quadratic function with a = 92, b = 2.3 and c = 3.5. Three measurements have been done at three different engine rotational speeds N. The amep is found equal to 12.3, 21.4 and 28.7 kPa and the pmep is found equal to 21.7, 56.82 and 96.13 kPa at N equal to 2200, 4500 and 6500 rpm respectively. If the mechanical efficiency is equal to 0.85, the net indicated mean effective pressure at N = 4100 rpm is equal to (in kPa): Select one: O a. 2420 OOOO O b. 797 O c. 1018 d. 620 e. 1438 <
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