18 The power output of a six cylinder four-stroke engine is absorbed bya water brake for which the law is WN/20000 where the brake load,W is in Newton and the speed, N is in rpm. The air consumption ismeasured by an air box with sharp edged orifice system. The followingreadings are obtained.Orifice diameter30 mmBore100 mmStroke120 mmBrake load560 N%3DC/H ratio by massCoefficient of dischargeAmbient pressurePressure drop across orificeTime taken for 100 cc of fuel consumptionAmbient temperatureFuel density83/170.6%3D1 bar14.5 cm of Hg20 s27 °C831 kg/m³Calculate (i) the brake power (ii) the torque (iii) the brake specific fuelconsumption (iv) the percentage of excess air and (v) the volumetricefficiency

Answered: Image /qna-images/answer/b9a99b88-9103-444a-a93f-370651ea5338.jpg

Answered: ar 5 cm °C 1 kg/

Engineering

Mechanical Engineering

ar 5 cm °C 1 kg/

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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