Before compression, the air in an ideal otto cycle engine is 98 kpa and 17°c. the compression ratio is 8.4, the displacement volume is 2.7l and the temperature after the heat addition process is 2100 k. using variable specific heat analysis, determine: . a)- maximum pressure in the cycle (in kpa) b)- heat input per cycle, in k] c)- net work per cycle, in kj