a six cylinder,4 stroke diesel engine is tested against a water brake dynamometer for which B.P=WN/17000 in kW where W is brake load in newton and N is the speed of engine in rpm.The air consumption was measured by means of a sharp edged orifice.during the test following observations were takenBore=10cmstroke =14 cmspeed=2500rpmbrake load=480 Nbarometer reading=76 mm of Hgorifice diameter=3.3 cmcoefficient of dishcharge of orifice=0.62pressure drop across orifice=14 cm of Hgroom temperature=25 cfuel consumption=0.32 kg/mincalculate1.volumetric efficincy2.brake mean effective pressure3.engine torque4.brake specific fuel consumption.; a six cylinder,4 stroke diesel engine is tested against a water brake dynamometer for which B.P=WN/17000 in kW where W is brake load in newton and N is the speed of engine in rpm.The air consumption was measured by means of a sharp edged orifice.during the test following observations were takenBore=10cmstroke =14 cmspeed=2500rpmbrake load=480 Nbarometer reading=76 mm of Hgorifice diameter=3.3 cmcoefficient of dishcharge of orifice=0.62pressure drop across orifice=14 cm of Hgroom temperature=25 cfuel consumption=0.32 kg/mincalculate1.volumetric efficincy2.brake mean effective pressure3.engine torque4.brake specific fuel consumption.
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