Which of the following is having the lowest value of overall heat transfer coefficient?

Which of the following is having the lowest value of overall heat transfer coefficient? Correct Answer Air to low viscosity liquids

Overall heat transfer coefficient for air condensers is 780 W/m2 K while that of steam condensers, air to low viscosity liquids and feed water heaters are 5000 W/m2 K, 600 W/m2 K and 8500 W/m2 K.
Bissoy MCQ

Related Questions

The scales form in heat exchanges after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient . The reciprocal of this scale heat transfer coefficient is called .
The concept of overall coefficient of heat transfer is used in heat transfer problems of
The concept of overall coefficient of heat transfer is used in case of heat transfer by
Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the
The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the
Which of the following has the lowest overall heat transfer co-efficient?
The unit of overall coefficient of heat transfer is
For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area
Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is
Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer.