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Determine the size of the diesel engine to be used for a 4 inches X pump. Pump discharge is 200gpm. Total head is 24 ft. Pump effe efficiency is 95%. And air-cooled diesel engine delivery rating is 70% 1.6 hp b. a. 3.3 hp 2.4 hp 4.7 hp| d.

Determine the size of the diesel engine to be used for a 4 inches X pump. Pump discharge is 200gpm. Total head is 24 ft. Pump effe efficiency is 95%. And air-cooled diesel engine delivery rating is 70% 1.6 hp b. a. 3.3 hp 2.4 hp 4.7 hp| d.

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
Problem 1.1MA
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Determine the size of the diesel engine to be used for a 4 inches X 4 inches centrifugal pump. Pump discharge is 200gpm. Total head is 24 ft. Pump efficiency is 55%. V-belt efficiency is 95%. And air-cooled diesel engine delivery rating is 70%. 22. 1.6 hp 3.3 hp b. 2.4 hp 4.7 hp| a. b. d. A 4-m combine traveling at 5 kph can empty its 1.5-ton grain tank in 2 minutes. When unloading on-the-go, it has an 86% field efficiency. Field yield is 3.5 tons/ha. What would be the field efficiency if the combine stopped to load? 23. 70% b. 75% a. C. 80% d. 85% A 4-wheel tractor with 3X14 inches moldboard plow is to operate on clay loam soil (specific draft = 0.56 kg/cm?) at a depth of 25.4 cm. The maximum draft and percent increase in draft due to speed are: 24. Gear Setting Speed (kph) Increase in draft due to speed (%) Max. Draft (kg) 4,000 3,100 2,200 1,300 1L 3.2 14 2L 3L 4.8 28 6.4 42 4L 8.0 56 Determine the tractor horsepower required to perform the operation. 55 hp 65 hp 60 hp 70 hp a. b. d. С. A field measuring 45 m X 90 m is to be prepared using a 1-m upland power tiller at a speed of 3 kph. Assume a 10% overlap between passings and 9 seconds turn around time at the end of each pass. 25. Determine the theoretical field capacity. 0.25 ha/hr 0.35 ha/hr 0.3 ha/hr 0.4 ha/hr a. b. С. d. The three main sources of power for mechanization include: human, animal & mechanical animal, electrical & mechanical d. 26. b. human, electrical & mechanical human, animal & electrical a. с. 27. Before the adoption of mechanized harvest and postharvest operations for rice, field losses were: 5 - 15% b. 10 - 27% a. С. 10 - 37% d. 20 - 30% In optimizing the capacity of a machine, it is recommended to have: one big machine all of the above 28. а. one small machine b. two or more small machines d. C.
Transcribed Image Text:Determine the size of the diesel engine to be used for a 4 inches X 4 inches centrifugal pump. Pump discharge is 200gpm. Total head is 24 ft. Pump efficiency is 55%. V-belt efficiency is 95%. And air-cooled diesel engine delivery rating is 70%. 22. 1.6 hp 3.3 hp b. 2.4 hp 4.7 hp| a. b. d. A 4-m combine traveling at 5 kph can empty its 1.5-ton grain tank in 2 minutes. When unloading on-the-go, it has an 86% field efficiency. Field yield is 3.5 tons/ha. What would be the field efficiency if the combine stopped to load? 23. 70% b. 75% a. C. 80% d. 85% A 4-wheel tractor with 3X14 inches moldboard plow is to operate on clay loam soil (specific draft = 0.56 kg/cm?) at a depth of 25.4 cm. The maximum draft and percent increase in draft due to speed are: 24. Gear Setting Speed (kph) Increase in draft due to speed (%) Max. Draft (kg) 4,000 3,100 2,200 1,300 1L 3.2 14 2L 3L 4.8 28 6.4 42 4L 8.0 56 Determine the tractor horsepower required to perform the operation. 55 hp 65 hp 60 hp 70 hp a. b. d. С. A field measuring 45 m X 90 m is to be prepared using a 1-m upland power tiller at a speed of 3 kph. Assume a 10% overlap between passings and 9 seconds turn around time at the end of each pass. 25. Determine the theoretical field capacity. 0.25 ha/hr 0.35 ha/hr 0.3 ha/hr 0.4 ha/hr a. b. С. d. The three main sources of power for mechanization include: human, animal & mechanical animal, electrical & mechanical d. 26. b. human, electrical & mechanical human, animal & electrical a. с. 27. Before the adoption of mechanized harvest and postharvest operations for rice, field losses were: 5 - 15% b. 10 - 27% a. С. 10 - 37% d. 20 - 30% In optimizing the capacity of a machine, it is recommended to have: one big machine all of the above 28. а. one small machine b. two or more small machines d. C.
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