Asap 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 ismeasur ed by an air box with sharp edged orifice system. The followingreadings are obtained.11.2Orifice diameter30 mm%3DBore100 mmStroke120 mmBrake loadC/H ratio by massCoefficient of dischar geAmbient pressurePressure drop across orificeTime taken for 100 cc of fuel consumptionAmbient temperat ureFuel density560 N%3D83/170.61 bar14.5 cm of Hg20 s%3D27°C831 kg/m3%3D532IC EnginesCaleulate (i) the brake power (ii) the torque (iii) the brake specific fuelcolisumption (iv) the percentage of excess air and (v) the wolumetricefficiencyI| || || || |||

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11.2 The power output of a six cylinder four-stroke engine is absorbed by a 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 is measured by an air box with sharp edged orifice system. The following readings are obtained. Orifice diameter 30 mm Bore 100 mm Stroke 120 mm Brake load = 560 N C/H ratio by mass 83/17 Coefficient of discharge 0.6 Ambient pressure = 1 bar Pressure drop across orifice 14.5 cm of Hg Time taken for 100 cc of fuel consumption 20 8 Ambient temperature 27 °C Fuel density 831 kg/m³ ||||

11.2 The power output of a six cylinder four-stroke engine is absorbed by a 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 is measured by an air box with sharp edged orifice system. The following readings are obtained. Orifice diameter 30 mm Bore 100 mm Stroke 120 mm Brake load = 560 N C/H ratio by mass 83/17 Coefficient of discharge 0.6 Ambient pressure = 1 bar Pressure drop across orifice 14.5 cm of Hg Time taken for 100 cc of fuel consumption 20 8 Ambient temperature 27 °C Fuel density 831 kg/m³ ||||

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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Concept explainers

Mechanisms of heat transfer

Heat transfer is an essential discipline in thermal engineering that deals with the transfer, conversion, usability, and creation of heat or thermal energy. Transfer of heat occurs through various mechanisms like conduction, convection, radiation, and change of phases. All these mechanisms have distinct characteristics, but these mechanisms can simultaneously occur in an identical system.

Question

Asap

The power output of a six cylinder four-stroke engine is absorbed by
a 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 is
measur ed by an air box with sharp edged orifice system. The following
readings are obtained.
11.2
Orifice diameter
30 mm
%3D
Bore
100 mm
Stroke
120 mm
Brake load
C/H ratio by mass
Coefficient of dischar ge
Ambient pressure
Pressure drop across orifice
Time taken for 100 cc of fuel consumption
Ambient temperat ure
Fuel density
560 N
%3D
83/17
0.6
1 bar
14.5 cm of Hg
20 s
%3D
27°C
831 kg/m3
%3D
532
IC Engines
Caleulate (i) the brake power (ii) the torque (iii) the brake specific fuel
colisumption (iv) the percentage of excess air and (v) the wolumetric
efficiency
I| || || || |||

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