Which one of the following is not correct about the condensation regimes in a condenser?

Which one of the following is not correct about the condensation regimes in a condenser? Correct Answer Suitable coating or vapour additive is used to promote film wise condensation

Suitable coating or vapour additive is not used to promote film wise condensation it is rather used to promote Drop-wise condensation.
Bissoy MCQ

Related Questions

Consider the following statements (i) If a condensing liquid does not wet a surface, then drop wise condensation will not take place on it (ii) Drop wise condensation gives a higher transfer rate than film wise condensation (iii) Reynolds number of condensing liquid is based on its mass flow rate (iv) Suitable coating or vapor additive is used to promote film wise condensation Identify the correct statement
Statement 1: Film-type condensation has a higher heat transfer co-efficient than drop-wise condensation. Statement 2: Drop-wise condensation is easier to maintain than Film-type condensation
Which one of the following condenser matches to this description-‘This condenser is similar to the spray condenser, with the only difference that the coolant is directed to flow over a series of trays in a column’?
A steam condenser is transferring 250 k W of thermal energy at a condensing temperature of 65 degree Celsius. The cooling water enters the condenser at 20 degree Celsius with a flow rate of 7500 kg/hr. If overall heat transfer coefficient for the condenser surface is 1250 W/m2 K, what surface area is required to handle this load?
A two pass surface condenser is required to handle the exhaust from a turbine developing 15 MW with specific steam consumption of 5 kg/k W h. The quality of exhaust steam is 0.9, the condenser vacuum is 66 cm of mercury while the bar meter reads 76 cm of mercury. The condenser tubes are 28 mm inside diameter, 4 mm thick and water flows through tubes with a speed of 3 m/s and inlet temperature 20 degree Celsius. All the steam is condensed, the condensate is saturated water and temperature of cooling water at exit is 5 degree Celsius less than the condensate temperature. Assuming that overall coefficient of heat transfer is 4 k W/m2 degree, determine the mass of cooling water circulated
Which one of the following correctly represents the condensation process in a condenser?
The fluidized state, occurring between the filtration of the fixed bed and the pneumatic conveying regime contains three different regimes. Which one of the following is not correct?
Which one of the following condenser matches the given description – ‘The condenser has a shell containing tubes within which the coolant liquid usually flows. The flow on the shell-side is so designed that the vapour gas mainly flows in the cross-flow direction with respect to the tubes’?
Which one of the following condenser matches to this description-‘This condenser uses a jet of coolant liquid forced into a hot vapour stream, usually with the objective of de-superheating the vapour and hence condensing it’?
The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.