Answer / murthy

iodine value is gms of iodine absorbed per 100 gms of spent
carbon.it indicate the degree of unsaturation.iodine value
high indicates carbon has high absoption capacity and
viceversa.

Answer / baskar

Iodine value is the milligrams of iodine consumed or
absorbed per gram of carbon.It is used to determine the
adsorption power of carbon.

More the iodine value more is the adsorption and viceversa.
For fresh carbon iodine value is more than 1000 and for
spent carbon it is less than 500.The more the value is low
it means that it is used effectively.

what is the PH value for boiler water.

12 Answers  

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Explain the factors involved in designing kettle type reboiler?

0 Answers  

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1 Answers  

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what is R1,R2,R3, R4........?

0 Answers   Okaya,

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Explain the steps taken to operate a tank-blanketing valve?

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ENGINEERING DRAWING - EXAMPLE 18.1 : For a Vernier scale of representative fraction (RF) = 1 / 25, calculate the length of the scale for the reading up to 4 metres.

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Question 94 - The resolution of separation, Rs for chromatography is given by the formula Rs = (difference in retention time) / (average width at the base). In a chromatogram, 3 peaks a, b and c are found. Average widths W at the bases of the solutes are : Wa = 20 s, Wb = 40 s, Wc = 30 s. Resolutions of separation, Rs for solutes b and c in comparison to a are 2 and 4 respectively. The differences in retention times T for b and c in comparison to a are (Tb - Ta) and (Tc - Ta), Ta = Tc - Tb : (a) Form 2 equations involving Rs as a function of Wa, Wb, Wc, Ta, Tb and Tc. (b) Find the values of Ta, Tb and Tc.

1 Answers  

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What are some common methods for helium leak testing a vacuum system?

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Question 86 - (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 betwen 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?

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Do you have recombinant protein expression experience? Explain?

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Whether long question or short question I can expect in the interview at IOCL ?

0 Answers   IOCL,

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0 Answers  

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