What is the difference between cfm (cubic feet per minute) and scfm (standard cubic feet per minute)?

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What is the purpose of capacitor?

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When an expansion is joint needed on the shell side of a shell and tube heat exchanger?

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i am appearing in railway section engg. exam of chemical eng. therefore i want previous papers and study material of chemical eng.

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Suggest the best book for barc written test guide me the syllabus

1 Answers  

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cetane no. and sulphur required in diesel fuel for euro-IV

2 Answers   IOCL,

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GENETIC ENGINEERING - EXAMPLE 27.3 : (a) Male with genotype GGmm and phenotype gray wingless mates with female with genotype ggMM and phenotype black winged in fruit flies. G is dominant to g in color. M is dominant to m in wing shape. If the actual distribution of the second generation of the fruit flies was as follow : 890 gray wingless, 900 black winged, 115 gray winged, 95 black wingless, calculate the recombination frequency between the two genes and distance in recombination units. Let 1 map unit = 1 % recombination. (b) A DNA molecule has 180 base pairs and 20 % adenine. How many cytosine nucleotides are present in this molecule of DNA?

1 Answers  

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What could be a possible cause for sudden foaming in a cooling tower?

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could anyone send me model question papers or outline of graduate trainee(chemical engg) post?

0 Answers   NPCIL,

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Explain some common piping materials used to transport slurries?

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What are the some common problems associated with dense phase pneumatic conveying?

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Why an electromagnetic flow meter cannot be used for gases, steam and oil flow measurements?

4 Answers  

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