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

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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