The following observation refer to trail on a four stroke cycle gas engine mean
effective pressure (Pm) = 700 Kg/m2 ; Fuel gas supplier (W) = 0.24 m3 /min;
Calorific value of gas (Cv) =4500kg/m2; Stroke = 30cm ; Bore (D) = 2m,
length (L) 0.5m, Speed (N) 354r.p.m, Brake load = 70 kg ; Radius of brake
drum = 0.8m. Determine of the following (i) I.H.P( ii) B.H.P (iii) Mechanical
efficiency [J=427] { for 4 stroke engine K = 2}
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In year 2010 – Bharat Stage III Emission Norms for 2-wheelers, 3-wheelers and 4-wheelers for entire country whereas Bharat Stage – IV (Equivalent to Euro IV) for 13 major cities for only 4- wheelers. Bharat Stage IV also has norms were implemented for 4-wheelers for 13 major cities for only 4-wheelers. Currently, BS-IV petrol and diesel are being supplied in whole of Northern India covering Jammu and Kashmir, Punjab, Haryana, Himachal Pradesh, Uttarakhand, Delhi and parts of Rajasthan and western UP. The rest of the country has BS-III grade fuel.
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