Which one of the following statements is NOT correct?
1
In surface condensers, the cooling water and exhaust steam do not come in direct contact with each other
2
The vacuum efficiency is the ratio of ideal vacuum to actual vacuum
3
The Hot well is a sump between the condenser and the boiler where the condensate coming from the condenser is collected
4
Condenser is a closed vessel heat exchanger in which the steam coming from turbine is condensed using a supply of cooling water at atmospheric temperature
5
Question Not Attempted