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Heat Transfer - Engineering

Q1:

The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the

A heating volume

B heat transfer area

C Nusselt number

D none of these

ANS:B - heat transfer area

The rate of heat transfer is a product of overall heat transfer coefficient, the difference in temperature, and the heat transfer area. The rate of heat transfer (Q) can be calculated using the formula: Q=U⋅A⋅ΔT Where:

  • Q is the rate of heat transfer,
  • U is the overall heat transfer coefficient,
  • A is the heat transfer area, and
  • ΔT is the difference in temperature.
This formula shows that the rate of heat transfer is directly proportional to the heat transfer area. Therefore, the correct answer is heat transfer area.