The condition for the reversibility of a cycle is – McqOptions

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1.	The condition for the reversibility of a cycle is
A.	he pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process
B.	ll the processes, taking place in the cycle of operation, must be extremely slow
C.	he working parts of the engine must be friction free
D.	ll of the above
Answer» E.

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