Which of the below stated are properties of a PMM-2?
(1) When net work is equal to the heat absorbed and work efficiency is 100%.
(2) Heat is exchanged from one heat reservoir only.
(3) It violates Kelvin-Planck statement.
(4) It is a hypothktical machine.

A

(1), (2 ) and (4)

B

(1), (3) and (4)

C

(2), (3) and (4)

D

(1), (2), (3) and (4)