By Lawrence O Roth; Harry L Field
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Pi ton 8 9 8. Crankshaft 9. 1. Parts of an internal combustion engine. The function of all internal combustion engines is to convert fuel (chemical energy) to power. This is accomplished by burning a fuel in a closed chamber and using the expansion of the gas to force one wall of the chamber (piston) to move. The linear movement of the piston then is converted to rotary motion (at the crankshaft), which is more useful than linear movement. All types of internal combustion engines have these eight requirements for operation: 1.
028 hp PRACTICE PROBLEMS 1. 0 feet? Answer: 300 ft-lb 2. In the first situation a 2000-pound weight is raised vertically through a distance of 20 feet. In the second situation a 3000-pound force moves horizontally through a distance of 10 feet. Which situation results in the greater amount of work being done? How much work is accomplished in each case? WORK. POWER. TORQUE. AND HORSEPOWER 37 3. 4. 5. 6. 7. S. 9. Answer: The first. 000 ft-Ib). 000 ft-Ib of work. You exert a force (push) of 100 pounds against a thick brick wall.
7. Shaft speed and direction of rotation in multiple shaft drives. 7? Solution: In this power train the output shaft of a 50horsepower engine powers gear I. Gear II is powered by gear I. and because gear III is attached to the same shaft. it is powered by gear I also. Gear N is powered by gear III. and gear V by gear IV. Shaft A will turn at the same speed and direction of rotation as gear V. and shaft B will turn at the same speed and direction of rotation as gears II and III. More than one approach can be used to determine the speed of shaft A and shaft B.
An introduction to agricultural engineering : a problem-solving approach by Lawrence O Roth; Harry L Field