1.

“R” in the below equation refers to what?(a) Recycle(b) Regeneration efficiency(c) Regression(d) ReuseThe question was posed to me during a job interview.My question comes from Heat Exchangers in division Building Blocks of Dairy Processing of Dairy Engineering

Answer»

Right choice is (b) Regeneration efficiency

The best EXPLANATION: We can take the simplest OPERATING profile – heat treatment of raw MILK –as an example. Using this formula: where R = regenerative efficiency %, tr = milk TEMPERATURE after regeneration, ti = temperature of raw incoming milk, tp = PASTEURIZATION and temperature.



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