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Chemical Engineering Interview Questions
Questions Answers Views Company eMail

How can you estimate the efficiency of a pump?

1062

How do you design a vapor-liquid separator or a flash drum?

1255

What are some typical applications for glass-lined reactors?

1074

Why is post-weld heat treatment (stress relieving) sometimes necessary for welded vessels?

1021

What is the wet bulb globe temperature (wbgt)?

1062

Are there flow velocity restrictions to avoid static charge build up in pipelines?

1248

How are vessel lined with glass or how are they coated?

1135

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

1162

What type of pump may be appropriate for a liquid near saturation, a low flow rate, and very limited npsha (net positive suction head available)?

1106

What information is needed to specify a mixer?

1144

How can separation of chiral chemicals affect the chemical and/or pharmaceutical industries?

1111

What is a common failure mechanism for above ground atmospheric storage tanks?

1156

How can I evaluate the thermal relief requirements for double block-in of 98% sulfuric acid?

1080

What are some common problems associated with bellow expansion joints?

1165

What is screen analysis and what are its applications in the chemical industry?

1208


Post New Chemical Engineering Questions

Un-Answered Questions { Chemical Engineering }

What does capacitor load means? How does it connect?

1027


Given, T1=600C, constant temperature of wall 800 , length of wit exchanger L=3m, dia=25 mm, Cp=14.91 KJ/kg.K, density ρ=914 kg/m3,mean velocity vm= 2 m/s, film heat transfer coefficient hf=72 Kcal/h.m2.K, what is the outlet temperature?

1999


How can one determine if a particular solid can be fluidized as in a fluidized bed?

1077


How can one determine the particle size distribution for a given bulk solid?

1149


I will complete chemical engg next yr from a deemed university. Earlier I dropped 2 yrs after std 12th. Then I got 2 yr back while completing engg, due to reasons beyond my control. Will I face any problem while applying for job. More so not many core companies come to our collg for placement. So i want to know which all companies can I apply to get a job?

2337


any meter avilable for measureing the Transformer Losses. ( like Voltmeter for voltage & ammiter for currenr )if yes plz give the make & supplier address, Email, Phone number.

2125


How can one quickly estimate the additional pressure drop to be introduced with more tube passes?

1073


i am a prefinal year student of polymer engineering .could you please send the latest question papers regarding entrace exam.

2249


Please describe tar, asphalt and bitumine

1665


What is maximum recommend pipe velocity for dry and wet gases?

1102


MY generator water cooler inlet line height - 11 mtr inlet water line height - 7 mtr water come into the line from overhead tank, O/H tank height - 20 mtr the first tapping in the inlet line is 2" line which down to 4 mtr level plateform., second tapping in inlet water line goes to a pump 6" line installed at 4 mtr level plateform, pump capacity 200m3/hr, head- 30 mtr, hp-40. the outlet of pump of 6" water line connected to a header of 6 mtr long of 6" line, on this header the six tapping are connected, 4 nos. 3" line goes to 11 mtr height water cooler the pressure of the line is 0.15 to 0.25 kg/cm2, 2" and 4" pipe line connected to a cooler at 4 mtrlevel plateform. my question is, at 11 mtr height level the quantity of water and flow is not sufficient for my cooler, the temp. of cooler is rises much more. you are requested to suggest the modification of pipe line/ pump for take more water flow and pressure (desired pressure is 1 kg/cm2)

2390


Define a barometric condenser?

1096


Name some common causes of control valve noise?

1167


What is a barometric condenser?

1174


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

2081