Answer:
No
Explanation:
As we know that in practical engine there always present the friction between the two parts,always there present heat transfer due to finite temperature difference ,it means that the real engine can not be totally reversible engine.And on the other hand Carnot heat engine is a totally reversible heat engine.So we can say that a real heat engine efficiency is always less than Carnot engine.
Answer:
Increased, 5%
Explanation:
Recent studies conducted on online dating sites established that the response of female users increased by 5% when emotions are in their profiles even as for male users' response also increased by 8%. Another study also revealed that those who have never used online dating sites and/or mobile dating apps believe that people who use dating apps are desperate.