Water is normally used as a coolant in the heat exchange equipments mainly because of its
A) Abundance & high heat capacity
B) Low density
C) Low viscosity
D) High fluidity
Correct Answer:
Verified
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)
Q15: It is not preferable to use superheated
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,
Q21: A BTU/hr.ft.2 °F is equal to
A)1 kcal/hr.
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