Question

In an ideal Otto cycle, air is compressed from initial state to 0.22 L, at the begin the initial pressure and Temp. are 97 kPa and 28 C0, the mass 0.0022 kg (R is 0.287 kJ/kg K), and the net work output of the cycle is 450 kJ/kg (k = 1.4). The mean effective pressure (MEP) for this cycle is

a.
612 kPa

b.
577 kPa

c.
636 kPa

d.
528 kPa

e.
569 kPa

f.
None of these

Answer 1

Answer:

d.

528 kPakg (R is 0.287 kJ/kg K), and the net work output of the cycle