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WorksheetsMET308 Week 13
Total questions: 10
Worksheet time: 13mins
Heat likes to go from
High-temperature regions to low-temperature regions
Low-temperature regions to high-temperature regions
If steam passes through a pipe, what modes of heat transfer are occurring?
Convection inside the pipe, conduction through the wall of the pipe
Conduction inside the pipe, convection through the wall of the pipe
Radiation inside the pipe, convection outside the pipe
Conduction inside the pipe, radiation through the pipe wall
Check all that apply: The overall heat transfer coefficient U accounts for
Conduction within the pipe wall
Convection between the moving fluids and the stationary pipes
Radiation emitted by the moving fluids
Heat lost to the surroundings
In your own words: What's the difference between the arithmetic mean and log-mean temperature difference?
The arithmetic mean temperature difference is always less than the log-mean temperature difference.
True
False
For heat exchanger problems involving the number of transfer units, the symbol ϵ indicates
(a)
The heat exchanger shown makes use of
Parallel flow
Counter flow
Phase change
Your favorite topic from MET308
Conduction
Convection
Fluid mechanics: Bernoulli's principle and Reynolds Transport
Heat exchangers
Radiation
The factor that accounts for the resistance to heat transfer due to deposits on the pipe surface
The fouling factor
Pick the other answer
Cmin : In equations this term refers to the product of mass flow rate and specific heat capacity for
The cold fluid
The hot fluid
It depends
