Heat Transfer
Which of the following is correct ?

Resistance = Driving force x Rate
Rate = Driving force x Resistance
Driving force = Rate x Resistance
Rate = Resistance/Driving force

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Heat Transfer
In the equation Q = UAΔt; Δt is

Logarithmic mean temperature difference
Geometric mean temperature difference
The difference of average bulk temperatures of hot and cold fluids
Arithmetic mean temperature difference

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