A liquid stream is cooled from 80°C to 30°C in a double pipe heat exchanger as illustrated below: 

Fluid flowing counter currently with this stream is heated from 15°C to 30°C. Calculate the log mean temperature difference. 

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#Question id: 14771

#Section 1: Engineering Mathematics

What is the chance of throwing a number greater than 4 with an ordinary die whose faces are numbered from 1 to 6 ?

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#Question id: 593

#Section 2: General Biology

The time that is required for an enzyme to convert one substrate molecule into one product molecule is

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#Question id: 14492

#Section 1: Engineering Mathematics

A die is rolled. The probability of getting a number 1 or 6 on the upper face is

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#Question id: 190

#Section 2: General Biology

Ca++ or Mg++ are most likely to be part of ________, while Zn++ or Fe++ are present in ________.

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#Question id: 3799

#Section 3: Genetics, Cellular and Molecular Biology

If replicating bacteria are given a short pulse of radiolabeled thymidine and rapidly killed, the radiolabel shows up as: