A four cylinder diesel engine works on lower stroke has cylinder bore of 90 mm and thestroke of 150mm. The crank speed of 370 rpm fuel consumed by the engine 15 kg/hrand its calorific value 39000 kJ/kg the indicated mean effective pressure is 5 bar ofcompression ratio of an engine is 14 and cut off ratio is 2.3. Calculate relative efficiencyof an engine if y=1.4

Answered: e relative efficienc

Engineering

Mechanical Engineering

e relative efficienc

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

Types of loading

In mechanical terminology, the term load indicates that external force/weight, either constant or variable, acts on a mechanical member/structure. The weight of an object of a specific material is also an external load, and the external force that works on a structure comes under the categories of loading. The external load generates its effects as stress and strain in the structure.

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A four cylinder diesel engine works on lower stroke has cylinder bore of 90 mm and the
stroke of 150mm. The crank speed of 370 rpm fuel consumed by the engine 15 kg/hr
and its calorific value 39000 kJ/kg the indicated mean effective pressure is 5 bar of
compression ratio of an engine is 14 and cut off ratio is 2.3. Calculate relative efficiency
of an engine if y=1.4

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