Answer Posted / ramana reddy

please send hpcl officer trainee - chemical engineering
previous question papers . my mail id :
ramana_ochem@yahoo.com

What is a "saltation velocity"?

1060

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The process conditions of the fuel gas are as follows: Temperature = 25 deg C Pressure = 4 bar g Calculate the line size for the fuel gas supply line to the superheater

2250

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What is an effective means of removing silicone from aluminum?

1007

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What is a good device to use for obtaining viscosity data for a non-newtonian fluid?

1279

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What steps can be taken to avoid stress corrosion cracking (SCC) in steel vessels used for storing anhydrous ammonia?

2165

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I want previous year question paper of ONGC for chemical engg.

2207

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How is plate heat exchangers used in an ammonia refrigeration system?

1141

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how can we calculate reflux ratio? what is difference between internal reflux and external reflux?

5427

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marketing procedure of iocl

2374

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Define a barometric condenser?

1095

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When specifying a cooling tower, should I look up historic wet bulb temperatures for my area or should I take measurements?

1172

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What is a quick way to calculate frictional pressure drops in carbon steel pipe?

1083

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What are the customization steps in sap?

1092

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What is the difference between horizontal and vertical heat exchanger?

1282

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Are there any general rules that should be considered when designing a slurry piping system?

999

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