A six cylinder, four stroke cycle, marine oil engine has cylinder diameter of 610mm and a piston stroke of 1250mm.when the engine speed is 2rev/s it uses 340kg of fuel oil of calorific value 44200kj/kg in one hour.The cooling water amounts to 19200kg/h, entering at 15°c and leaving at 63°c.the torque transmitted at the engine coupling is 108kNm and the indicated mean effective pressure is 775KN/m^2.Determine a) the indicated power b) the brake power c) the percentage of the energy supplied/kg of fuel lost to the cooling water
A six cylinder, four stroke cycle, marine oil engine has cylinder diameter of 610mm and a piston stroke of 1250mm.when the engine speed is 2rev/s it uses 340kg of fuel oil of calorific value 44200kj/kg in one hour.The cooling water amounts to 19200kg/h, entering at 15°c and leaving at 63°c.the torque transmitted at the engine coupling is 108kNm and the indicated mean effective pressure is 775KN/m^2.Determine a) the indicated power b) the brake power c) the percentage of the energy supplied/kg of fuel lost to the cooling water
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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A six cylinder, four stroke cycle, marine oil engine has cylinder diameter of 610mm and a piston stroke of 1250mm.when the engine speed is 2rev/s it uses 340kg of fuel oil of calorific value 44200kj/kg in one hour.The cooling water amounts to 19200kg/h, entering at 15°c and leaving at 63°c.the torque transmitted at the engine coupling is 108kNm and the indicated mean effective pressure is 775KN/m^2.Determine
a) the indicated power
b) the brake power
c) the percentage of the energy supplied/kg of fuel lost to the cooling water
d) the brake thermal efficiency
e) the brake mean effective pressure
The mechemical efficiency
f) the mechanical efficiency
g) the brake specific fuel consumption
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