Question

(V)
Power developed, P
Number of cycles/min = , being a four stroke engine.
P = Wxż*
co *240 x
N
KW = 104.1 x
= 182.18 kW
60
...Ans.
Ex. 4.6.10
A petrol engine working on the Otto cycle has a clearance volume of 10% of stroke volume. The initial
pressure of air is 0.95 bar and temperature of 30°C. The pressure at the end of adiabatic compression
was 27.27 bar. Find the air standard efficiency.
If the relative efficiency of the engine is 50%, calculate the fuel consumption per kWh. Assume,
= 1.005 kJ/kg K, Y= 1.4 and C.V. of fuel = 42000 kJ/kg.​

Answer 1

Answer:

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