this answer i need relative efficiency =62.95 only dont send wrong solution

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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this answer i need relative efficiency =62.95 only dont send wrong solution
the calorific value of the fuel used is 43680 kJ/kg. Compare
this efficiency with the standard value, if clearance volume of
Problem 14. A four-cylinder, four-stroke petrol engine of
6.35 cm bore and 8.9 cm stroke was tested at full throttle and
constant speed. The fuel supply was fixed at 0.064 kg per minute
and the plugs of the cylinders were short-circuited without
change of speed, the brake torque being correspondingly
adjusted.
The power measurements were as follows :
With all cylinders
With cylinder No. 1 cut out
With cylinder No. 2 cut out
With cylinder No. 3 cut out
With cylinder No. 4 cut out
= 12.3 kW
= 8.9 kW
%3D
= 8.8 kW
%3D
= 8.7 kW
%3D
= 8.85 kW
%3D
L
Estimate the indicated power of the engine under these
S
conditions. Find indicated thermal efficiency of the engine if
the calorific value of the fuel used is 43680 k.J/kg. Compare
one cylinder is 70.3 cm’.
Ta
Transcribed Image Text:the calorific value of the fuel used is 43680 kJ/kg. Compare this efficiency with the standard value, if clearance volume of Problem 14. A four-cylinder, four-stroke petrol engine of 6.35 cm bore and 8.9 cm stroke was tested at full throttle and constant speed. The fuel supply was fixed at 0.064 kg per minute and the plugs of the cylinders were short-circuited without change of speed, the brake torque being correspondingly adjusted. The power measurements were as follows : With all cylinders With cylinder No. 1 cut out With cylinder No. 2 cut out With cylinder No. 3 cut out With cylinder No. 4 cut out = 12.3 kW = 8.9 kW %3D = 8.8 kW %3D = 8.7 kW %3D = 8.85 kW %3D L Estimate the indicated power of the engine under these S conditions. Find indicated thermal efficiency of the engine if the calorific value of the fuel used is 43680 k.J/kg. Compare one cylinder is 70.3 cm’. Ta
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