Thermal efficiency of otto cycle can be represented by \({\eta _{otto}} = 1 - \frac{{{T_a}}}{{{T_b}}}\). Which of the following statement is correct for state point a and b?
1
Isentropic compression process will start from point ‘b’
2
Isentropic compression process will end at point ‘a’
3
Constant volume heat addition process will start from ‘b’
4
Constant volume heat rejection process will end at point ‘b’