5 The following observations were recorded during a trial of a four-stroke, single-cylinder oil engine. Duration of trial is 30 min; oil consumption is 4 litres; calorific value of the oil is 43 MJ/kg; specific gravity of the fuel = 0.8; average area of the indicator diagram indicator diagram = 8.5 cm; spring constant = 5.5 bar/cm; brake load = 150 kg; spring balance reading = 20 kg; effective brake wheel diame- ter = 1.5 m; speed = 200 rpm; cylinder diameter = 30 cm; stroke 45 cm; jacket cooling water 10 kg/min; temperature rise is 36 °C. Calcu- late (i) indicated power (ii) brake power (iii) mechanical efficiency (iv) brake specific fuel consumption in kg/kW h and (v) indicated thermal efficiency. = 8.5 cm2; Length of the |3| %3D %3D
5 The following observations were recorded during a trial of a four-stroke, single-cylinder oil engine. Duration of trial is 30 min; oil consumption is 4 litres; calorific value of the oil is 43 MJ/kg; specific gravity of the fuel = 0.8; average area of the indicator diagram indicator diagram = 8.5 cm; spring constant = 5.5 bar/cm; brake load = 150 kg; spring balance reading = 20 kg; effective brake wheel diame- ter = 1.5 m; speed = 200 rpm; cylinder diameter = 30 cm; stroke 45 cm; jacket cooling water 10 kg/min; temperature rise is 36 °C. Calcu- late (i) indicated power (ii) brake power (iii) mechanical efficiency (iv) brake specific fuel consumption in kg/kW h and (v) indicated thermal efficiency. = 8.5 cm2; Length of the |3| %3D %3D
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
Transcribed Image Text:5 The following observations were recorded during a trial of a four-stroke,
single-cylinder oil engine. Duration of trial is 30 min; oil consumption is
4 litres; calorific value of the oil is 43 MJ/kg; specific gravity of the fuel
= 0.8; average area of the indicator diagram
indicator diagram = 8.5 cm; spring constant = 5.5 bar/cm; brake load
= 150 kg; spring balance reading = 20 kg; effective brake wheel diame-
ter = 1.5 m; speed = 200 rpm; cylinder diameter = 30 cm; stroke 45
cm; jacket cooling water 10 kg/min; temperature rise is 36 °C. Calcu-
late (i) indicated power (ii) brake power (iii) mechanical efficiency (iv)
brake specific fuel consumption in kg/kW h and (v) indicated thermal
efficiency.
= 8.5 cm2; Length of the
|3|
%3D
%3D
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