Engineering Thermodynamics
The condition for the reversibility of a cycle is

The working parts of the engine must be friction free
The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process
All the processes, taking place in the cycle of operation, must be extremely slow
All of these

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that

Heat is supplied to water at temperature below the maximum temperature of the cycle
Carnot cycle can't work with saturated steam
Rankine cycle is hypothetical
A Rankine cycle receives heat at two places

ANSWER DOWNLOAD EXAMIANS APP