Answer / aish

urea is the main source of nitrogen to the soil,
but NPK fertilizer provide nitrogen, phosphorus as well as potassium.

Answer / guest

urea made up of n2, c, o2
NPK made up of N2, P, K

What is higher heating value and lower heating value? Is it positive or negative?

0 Answers  

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marketing procedure of iocl

0 Answers   IOCL,

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What is control valve ?

2 Answers   TCL,

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What does the catalystic converter on an automobile really do?

0 Answers  

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Explain the process of including heat exchangers in ammonia refrigeration system?

0 Answers  

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Name some factors to consider when trying choosing between a dry screw compressor and an oil-flooded screw compressor?

0 Answers  

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We are having proplem with the persperation smell in ETT/ECHO room in our cardiac hospital.The 2 Ton of AC is not conditioning the environment. We have to use exhaust fan to through out of the room bad air. Could anyone suggest how to coup with this effectively using chemical engineering. Any permanent solution to neutralise the bad smell.The Air freshners are not doing enough instead making a bad odour.

0 Answers  

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Explain what are the methods involved to test helium leak testing in a vacuum system?

0 Answers  

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what is water at its saturation temperature ??????????

2 Answers   Essar,

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BIOPROCESS ENGINEERING - EXAMPLE 14.2 : An aqueous solution with 2.5 g of a protein dissolved in 600 cubic centimeters of a solution at 20 degree Celsius was placed in a container that has a water-permeable membrane. Water permeated through the membrane until the h - level of the solution was 0.9 cm above the pure water. (a) Calculate the absolute temperature of the solution, T in Kelvin, where T (Kelvin) = T (degree Celsius) + 273.15. (b) Calculate the osmotic pressure, P of the solution by using the formula P = hrg where h is level of the solution, r is density of water with 1000 kg per cubic meter, g = 9.81 N / kg as gravitational acceleration. (c) Calculate the concentration of the protein solution, C in kg / cubic meter. (d) Calculate the molecular weight of the protein, (MW) = CRT / P where R = 8.314 Pa cubic meter / (mol K) as ideal gas constant.

1 Answers  

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What is Vacuum? If pressure is less than that of atmospheric, can we call it vacuum? If so some places have less atmospheric pressures, can we call people living there are living in vacuum?

5 Answers   ISRO, TCS,

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What step should be taken in process industries if the process variable is oscillating?

0 Answers   HPCL,

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