Question

Question
During a cyclic process, a heat engine absorbs
6oo j of he at from a hot reservoir , does
work and ejects
an amount of heat
200j into the surroundings (cold reservior).
Show the efficiency of the heat engine?​

Answer 1

efficiency= work done/heat absorbed

=(q2-q1)/q2

=1-q1/q2

=1-2/6

=2/3 or 66%