Answer / singo

for hpcl go trough o.p.gupta for technical paper, and for
apptitude follow r.s.agarwal.

Answer / bala

surely will send to my friend

Answer / jitendra

go to the freshersworld.com and follow the placement paper
for hpcl

What is pneumatic conveying?

0 Answers  

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what is meant by runaway temperature in a reactor?

3 Answers   Cairn,

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how can I find out a sulfuric acid recovery plant disigner?

0 Answers   ONGC,

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Explain what types of valves are recommended for slurry services?

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what is the speed of a rotary drier

3 Answers  

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Explain the different ways in which solids can be blended?

0 Answers  

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hello everyone do anyone have interview questions for any chemical industry please email me at ravijallu.nitj@gmail.com

0 Answers  

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Name the some common problems associated with bellow expansion joints?

0 Answers  

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Explain the steps taken to operate a tank-blanketing valve?

0 Answers  

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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.

0 Answers   Piramal Healthcare,

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How can you quickly estimate the horsepower of a pump?

0 Answers  

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DIFFERENTIAL EQUATIONS - EXAMPLE 20.3 : A differential equation is given as y” + 5y’ + 6y = 0, y(0) = 2 and y’(0) = 3. By using Laplace transform, an engineer has correctly produced the equation L {y} = (2s + 13) / [(s + 2)(s + 3)] = A / (s + 2) + B (s + 3). (a) Find the values of A and B. (b) The inversed Laplace transform of 1 / (s + a) is given by exp (-at) where a is a constant. If the statement : L {y} = 9 L { exp (-2t) } - 7 L { exp (-3t) } is correct, find the equation of y as a function of t as a solution to the differential equation stated in the beginning of this question. When L {d} = 9 L {b} - 7 L {c}, then d = 9b - 7c with b, c and d are unknowns.

1 Answers  

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