It is not preferable to use superheated steam in evaporators, because of its very
A) High temperature
B) High pressure
C) Low film co-efficient
D) None of these
Correct Answer:
Verified
Q10: Which one gives the monochromatic emissive power
Q11: If heat transfer rate varies with the
Q12: Absorptivity and reflectivity of a perfect black
Q13: _ heat exchanger is used for chilling
Q14: Pick out the correct equation.
A)jH = (St)(Pr)
Q16: Water is normally used as a coolant
Q17: A single pass air heater is connected
Q18: At constant temperature, the thermal conductivities of
Q19: Stefan-Boltzmann law applies to _ body.
A)Black
B)White
C)Grey
D)Any colour
Q20: When warm and cold liquids are mixed,
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents