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Heat Transfer - Engineering

Q1:

Radiation heat losses from satisfactorily insulated high pressure boilar may be about __________ percent.

A 1

B 7

C 18

D 26

ANS:B - 7

Radiation heat losses from satisfactorily insulated high-pressure boilers may be about 1 percent. Efficient insulation is crucial for minimizing heat losses, but even with satisfactory insulation, some radiation losses can occur. However, these losses are typically small, often around 1% of the total heat input to the boiler.