Please describe tar, asphalt and bitumine

1189

hi can u send me all d technical qus pepar of DRDO?my email id is palmzk@gmail.com

1955

Name the three classes of organic solvents?

550

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

4274

What are the disadvantages of using gear pumps?

549

if i added hypo before DM plant so i will affect my resins of anion or cation. if affect it so do prevent what kind of step should be taken to remove hypo before DM inlet?

1067

Explain can large temperature differences in vaporizers cause operational problems?

533

Explain what type of flow measurement devices is best for slurries?

573

Explain the reasons of removal of particles from effluent gas?

509

could anyone send me model question papers or outline of graduate trainee(chemical engg) post?

2832

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?

1593

What are the apt definitions for apparent power, active power and reactive power?

585

What is a good relation to use for calculating tube bundle diameters?

625

Hi. I have completed my masters in chemical engineering from M S University in year 2008 and now going to do MS Chemical engineering in Lamar University. I am planning to appear for interview in two weeks from now. What are the expected questions from VO regarding masters after masters ? and wat should i expect to give reply ? kindly give your suggestions. Thanks

1582

Explain what are some good uses of low-grade steam at 12 atm and 1920c?

608