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1439. Which of the following has the minimum absorptivity?

September 7, 2025 by Admin

Aluminium foil

Coal dust

Refractory bricks

Iron plates

✅ The correct answer is option A.

Categories Chemical Engineering, Engineering, Heat Transfer MCQs Tags Chemical Engineering MCQs, Engineering MCQs, Heat Transfer MCQs

1436. The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as

1442. Multipass heat exchangers are used

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