(6)5 (d) (c) 2 82. the efficiency of a reversible heat engine performing this cycle is (2po vo) t povos t) po 2v,) (b) (c) ().10 83. a carnot takes up 90 j of h

(6)5 (d) (C) 2 82. The efficiency of a reversible heat engine performing this cycle is (2Po Vo) T PoVos T) Po 2V,) (b) (c) ().10 83. A carnot takes up 90 J of heat from the source kept at 300 K The correct statement