Name some guidelines for designing for liquid and gas velocities in process plant piping?

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what is the apt definitions for apparent power ,active power and reactive power?and explanation about different types of lamps?

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why we make urea prills , why we do not make crystals of urea,

1 Answers   IFFCO,

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In Pressure Sfety Valve(PSV) 2" by pass line why given for process units.

0 Answers   Essar,

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At 150 degree Celsius, a mixture of 40 wt % Sn and 60 wt % Pb present, forming phases of alpha and beta. Chemical composition of Sn at each phase : CO (overall) : 40 %, CA (alpha) : 11 %, CB (beta) : 99 %. (a) State 2 reasons for the existences of alpha and beta phases for the mixture of Sn – Pb at 150 degree Celsius. (b) By using Lever Rule, calculate the weight fraction of each phase for alpha, WA = Q / (P Q) and beta, WB = P / (P Q) where Q = CB – CO and P = CO – CA.

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What is the angle of repose?

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Explain the steps required to design a vapor-liquid separator or flash drum?

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What compounds are responsible for the odors that come from wastewater treatment plants?

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What is the order of a chemical reaction, , if the rate of formation of 'C', increases by a factor of 2.82 on doubling the concentration of 'A' and increases by a factor of 9 on trebling the concentration of 'B'?

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What are the reasons of removal of particles from effluent gas?

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Question 31 – For liquid benzene, the CP constants are : a = 129440, b = - 169.5, c = 0.64781. Reference temperature is 298 K. The temperature of benzene is 60 degree Celsius. Calculate the enthalpy of benzene by using the formula H = a (DT) + (b/2) (T^2 – TREF^2) + (c/3) (T^3 – TREF^3) where ^ is power, DT is temperature difference with TREF = 298 K. H is in J / kmol. DT = T – TREF.

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I want to know that what type of questions may be come for fertilizer company for written exam?

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