The efficiency of a heat engine if the temperature of the source is 100^@C and sink is 27^@Cis nearly

The efficiency of a heat engine if the temperature of the source is 10

1.	The efficiency of a heat engine if the temperature of the source is 100^@C and sink is 27^@Cis nearly
Answer» 0.1 0.2 0.3 0.4 Answer :B