During a test on a 3-cylinder four-stroke IC diesel engine with a cylinder bore and stroke length of 261 mm and 315 mm respectively, running at 482 r/min, the following results were obtained: Mass on Dynamometer mass hanger (arm length = 0.83 m) 224.8 kg Indicated mean effective pressure 444 kPa Fuel consumption (with Qnet,v = 39.8 MJ/kg, density = 0.944 kg/l) 6 ml/s Take acceleration due to gravity as 9.81 m per square seconds Calculate the indicator power to 2 decimal places. add unit to answer but not in kilos.

During a test on a 3-cylinder four-stroke IC diesel engine with a cylinder bore and stroke length of 261 mm and 315 mm respectively, running at 482 r/min, the following results were obtained: Mass on Dynamometer mass hanger (arm length = 0.83 m) 224.8 kg Indicated mean effective pressure 444 kPa Fuel consumption (with Qnet,v = 39.8 MJ/kg, density = 0.944 kg/l) 6 ml/s Take acceleration due to gravity as 9.81 m per square seconds Calculate the indicator power to 2 decimal places. add unit to answer but not in kilos.

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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During a test on a 5-cylinder four-stroke IC diesel engine with a cylinder bore and stroke length of 240 mm and 297 mm respectively, running at 468 r/min, the following results were obtained: Mass on Dynamometer mass hanger (arm length = 0.825 m) 205 kg Indicated mean effective pressure 528 kPa Fuel consumption (with Qnet,v = 39.8 MJ/kg, %3D density = 0.944 kg/l) 6 ml/s Take acceleration due to gravity as 9.81 m per square seconds Calculate the brake thermal efficiency_ _in decimal form to 3decimal places.
During a test on a 3-cylinder four-stroke IC diesel engine with a cylinder bore and stroke length of 245 mm and 314 mm respectively, running at 448 r/min, the following results were obtained: Mass on Dynamometer mass hanger (arm length = 0.798 m) 217.7 kg Indicated mean effective pressure 445 kPa Fuel consumption (with Qnet,v = 39.8 MJ/kg, density = 0.944 kg/l) 6 ml/s Take acceleration due to gravity as 9.81 m per square seconds Calculate the mechanical efficiency in decimal fraction to 3 decimal places.
During a test on a 5 cylinder four stroke IC diesel engine with a cylinder bore and stroke length of 267 mm and 293 mm respectively, running at 436 rpm, the following results were obtained: Mass on dynamometer mass hanger(arm length=0,823 m)=219,7 kg, indicated mean effective pressure=452 KPa, fuel consumption(with Qnet=39,8 MJ/kg, density=0,944 kg/l)=6 ml/s. Take acceleration due to gravity as 9,81 m per square seconds. Calculate: 1.the indicator power to 2 deimal places(not in kilos unit) 2.the brake thermal efficiency and mechanical efficiency in decimal form to 3 decimal places. 3. the brake power( not in kilos)
During a test on a 3-cylinder four-stroke IC diesel engine with a cylinder bore and stroke length of 276 mm and 306 mm respectively, running at 547 r/min, the following results were obtained: Mass on Dynamometer mass hanger (arm length = 0.815 m) 200.6 kg Indicated mean effective pressure 428 kPa Fuel consumption (with Qnet.v = 39.8 MJ/kg, density = 0.944 kg/l) 6 ml/s Take acceleration due to gravity as 9.81 m per square seconds Calculate the mechanical efficiency in decimal fraction to 3 decimal places, No unit needed for answer
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During a test on a five-cylinder four-stroke IC diesel engine with a cylinder bore and stroke length of 260 mm and 305 mm respectively, running at 503 r/min, the following results were obtained: Mass on Dynamometer mass hanger (arm length = 0.825 m) 221.9 kg Indicated mean effective pressure 400 kPa Fuel consumption (with Qnet,v = 39.8 MJ/kg, density = 0.944 kg/l) 6 ml/s Take acceleration due to gravity as 9.81 m per square seconds Calculate the brake power .
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