How is the efficiency of the SI engine affected by change in specific heat ratio ( ) of the working fluid?

the efficiency of the engine decreases with increase in specific heat ratio ( ) of the working fluid

the efficiency of the engine increases with increase in specific heat ratio ( ) of the working fluid

the efficiency of the engine does not affected by change in specific heat ratio ( ) of the working fluid

How is the efficiency of the SI engine affected by change in specific

1.	How is the efficiency of the SI engine affected by change in specific heat ratio ( ) of the working fluid?
A.	the efficiency of the engine increases with increase in specific heat ratio ( ) of the working fluid
B.	the efficiency of the engine decreases with increase in specific heat ratio ( ) of the working fluid
C.	the efficiency of the engine does not affected by change in specific heat ratio ( ) of the working fluid
D.	none of the above
Answer» B. the efficiency of the engine decreases with increase in specific heat ratio ( ) of the working fluid