Please help me send me questions for HPCL written test of Chemical Branch.I will be highly thankful to u...

0 Answers   TCE,

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How can I remove/decrease TDS from sewage waste water? At the moment it is 900gm/l. What is recommended TDS level to dispose sewage water in sea?

2 Answers   OGDCL,

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Why whenever a reciprocating compressor is switched ON or OFF it is put into unloading mode?

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is extractive distillationӞH

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Three solid objects of the same material and of equal mass – a sphere, a cylinder (length = diameter) and a cube – are at 5000C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change of temperature is smallest for a) cube b) cylinder c) sphere d) equal for all the three whyyyyyyy???????

3 Answers   GATE,

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Explain the advantages of using a ball mill over other conventional methods of crushing?

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what is the PH value for boiler water.

12 Answers  

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What is vapour flooding and liquid floodin in distillation?

0 Answers   Deepak Fertilisers,

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CHEMICAL MATERIAL BALANCE - EXAMPLE 2.1 : Two methanol-water mixtures are contained in separate tanks. The first mixture contains 40.0 wt % methanol and the second contains 70.0 wt % methanol. If 200 kg of the first mixture is combined with 150 kg of the second, what are the mass and composition of the product? The symbol of weight percent is wt %.

1 Answers  

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why screw compressor use for ammonia compression?

0 Answers   Deepak Fertilisers,

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Question 29 – For a Vernier scale that consists of 0.11 cm per section, estimate the length on actual standard ruler of 0.1 cm per section for 2.39 m and 0.91 m.

1 Answers  

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What is gibbs free energy?

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