4. Consider a four stroke, six-cylinder internal combustion engine (spark-ignition engine) with a stroke of nine and five tenths centimeter and a bore of nine centimeter. The compression ratio is eight and five tenths. The pressure and temperature in the intake manifold are eighty-two hundredths atmosphere and two hundred seventy five Kelvin, respectively. The heat added is two thousand six hundred forty-one kilo-Joule per kilogram-mass. The engine's mechanical efficiency is seventy-two hundredths. The crankshaft is connected to a propeller with an efficiency of seventy-four hundredths. Calculate the power available from the engine-propeller combination for three thousand two hundred fifty revolution per minute. (Note: Propeller efficiency, , where is the power available from the propeller.)

4. Consider a four stroke, six-cylinder internal combustion engine (spark-ignition engine) with a stroke of nine and five tenths centimeter and a bore of nine centimeter. The compression ratio is eight and five tenths. The pressure and temperature in the intake manifold are eighty-two hundredths atmosphere and two hundred seventy five Kelvin, respectively. The heat added is two thousand six hundred forty-one kilo-Joule per kilogram-mass. The engine's mechanical efficiency is seventy-two hundredths. The crankshaft is connected to a propeller with an efficiency of seventy-four hundredths. Calculate the power available from the engine-propeller combination for three thousand two hundred fifty revolution per minute. (Note: Propeller efficiency, , where is the power available from the propeller.)

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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