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A full-load test was conducted on a two-stroke, 2-cylinder engine and the following results were obtained: Speed = 1000 rpm Brake load = 25O N Indicated mean effective pressure = 300 kPa Jacket water temperature rise = 35 K Jacket water flow rate = 7 kg/min Fuel consumption = 5 kg/h A/F ratio by mass = 30 Exhaust gas temperature = 623 K Room temperature = 298 K Cylinder diameter = 0.22 m Stroke = 28 cm Brake diameter = 160 cm Calorific value of fuel = 42 MJ/kg Specific heat of exhaust gas = 1.0 kJ/kgk Specific heat of water = 4.2 kJ/kgK Determine the following. (a) indicated thermal efficiency (b) Specific fuel consumption Draw up a heat balance sheet for test on an hourly basis.

A full-load test was conducted on a two-stroke, 2-cylinder engine and the following results were obtained: Speed = 1000 rpm Brake load = 25O N Indicated mean effective pressure = 300 kPa Jacket water temperature rise = 35 K Jacket water flow rate = 7 kg/min Fuel consumption = 5 kg/h A/F ratio by mass = 30 Exhaust gas temperature = 623 K Room temperature = 298 K Cylinder diameter = 0.22 m Stroke = 28 cm Brake diameter = 160 cm Calorific value of fuel = 42 MJ/kg Specific heat of exhaust gas = 1.0 kJ/kgk Specific heat of water = 4.2 kJ/kgK Determine the following. (a) indicated thermal efficiency (b) Specific fuel consumption Draw up a heat balance sheet for test on an hourly basis.

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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A full-load test was conducted on a two-stroke, 2-cylinder engine and the following results were obtained: Speed = 1000 rpm Brake load = 25O N Indicated mean effective pressure = 300 kPa Jacket water temperature rise = 35 K Jacket water flow rate = 7 kg/min Fuel consumption = 5 kg/h A/F ratio by mass = 30 Exhaust gas temperature = 623 K Room temperature = 298 K Cylinder diameter = 0.22 m Stroke = 28 cm Brake diameter = 160 cm Calorific value of fuel = 42 MJ/kg Specific heat of exhaust gas = 1.0 kJ/kgK Specific heat of water = 4.2 kJ/kgK Determine the following. (a) indicated thermal efficiency (b) Specific fuel consumption Draw up a heat balance sheet for test on an hourly basis.
Transcribed Image Text:A full-load test was conducted on a two-stroke, 2-cylinder engine and the following results were obtained: Speed = 1000 rpm Brake load = 25O N Indicated mean effective pressure = 300 kPa Jacket water temperature rise = 35 K Jacket water flow rate = 7 kg/min Fuel consumption = 5 kg/h A/F ratio by mass = 30 Exhaust gas temperature = 623 K Room temperature = 298 K Cylinder diameter = 0.22 m Stroke = 28 cm Brake diameter = 160 cm Calorific value of fuel = 42 MJ/kg Specific heat of exhaust gas = 1.0 kJ/kgK Specific heat of water = 4.2 kJ/kgK Determine the following. (a) indicated thermal efficiency (b) Specific fuel consumption Draw up a heat balance sheet for test on an hourly basis.
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