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2 – A 6 cylinder petrol engine operates on the 4-stroke cycle (Otto cycle), cylinder bore (70 mm), and piston stroke (100 mm). The clearance volume per cylinder is (67 cm³). At a speed of (3960 rpm) the fuel consumption is (19.5 kg/hr) and the torque developed is ((140 Nm). The calorific value of fuel is 43884kj/kg Calculate: i- brake power ii – bmep iii – brake thermal eff. iv – relative eff. On brake power basis [answer: 58 kW , 7.61x10s, 24.4%, 45.7%]

2 – A 6 cylinder petrol engine operates on the 4-stroke cycle (Otto cycle), cylinder bore (70 mm), and piston stroke (100 mm). The clearance volume per cylinder is (67 cm³). At a speed of (3960 rpm) the fuel consumption is (19.5 kg/hr) and the torque developed is ((140 Nm). The calorific value of fuel is 43884kj/kg Calculate: i- brake power ii – bmep iii – brake thermal eff. iv – relative eff. On brake power basis [answer: 58 kW , 7.61x10s, 24.4%, 45.7%]

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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2 - A 6 cylinder petrol engine operates on the 4-stroke cycle (Otto cycle), cylinder bore (70 mm), and piston stroke (100 mm). The clearance volume per cylinder is (67 cm³). At a speed of (3960 rpm) the fuel consumption is (19.5 kg/hr) and the torque developed is ((140 Nm). The calorific value of fuel is 43884kj/kg Calculate: i- brake power ii – bmep iii – brake thermal eff. iv – relative eff. On brake power basis [answer: 58 kW , 7.61x105, 24.4%, 45.7%]
Transcribed Image Text:2 - A 6 cylinder petrol engine operates on the 4-stroke cycle (Otto cycle), cylinder bore (70 mm), and piston stroke (100 mm). The clearance volume per cylinder is (67 cm³). At a speed of (3960 rpm) the fuel consumption is (19.5 kg/hr) and the torque developed is ((140 Nm). The calorific value of fuel is 43884kj/kg Calculate: i- brake power ii – bmep iii – brake thermal eff. iv – relative eff. On brake power basis [answer: 58 kW , 7.61x105, 24.4%, 45.7%]
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