Which one of the following statements is correct if the surroundings are at 27°C ?

Question

A heat source H1 can supply 6000 kJ/min at 300°C and another heat source H₂ can supply 60000 kJ/min at 100°C. Which one of the following statements is correct if the surroundings are at 27°C ?

a. Both the heat sources have the same efficiency                          

b. The first heat source has lower efficiency

c. The second heat source has lower efficiency

d. The first heat source produces higher power