Carnot cycle

Rankine cycle

Brayton cycle

Bell Coleman cycle

two isothermals and two isentropics

two isentropics and two constant volumes

two isentropics, one constant volume and one constant pressure

two isentropics and two constant pres-sures

Carnot

Ericsson

Stirling

none of the above.

Dual combustion cycle

Diesel cycle

Atkinson cycle

Rankine cycle

increases

decreases

remains unaffected

first increases and then decreases