Chemical Engineering Model Paper 1. Liquid methyl ketone (MEK) flows through a pipe with an inner diameter of 2.067 inches at an average velocity of 0.48 ft/s. At the fluid temperature of , o 20 C the density of liquid MEK is 0.805 g/cm3 and the viscosity is 0.43 centipoise. Determine the whether the flow is laminar or turbulent. 2. A stream of air (21 mole% O2, the rest N2) flowing at a rate of 10.0 kg/h is mixed with a stream of CO2. The CO2 enters the mixer at a rate of 20.0 m3/h at 150oC and 1.5 bar. What is the mole percent of CO2 in the product stream? 3. At high temperatures phosphine (PH3) dissociates into phosphorus and hydrogen by the following reaction: At 800oC the rate at which phosphine dissociates is (t is in seconds) The reaction occurs in a constant-volume, 2-L vessel, and the initial concentration of phosphine is 5 kmol/m3. If 3 mol of the phosphine reacts, how much phosphorus and hydrogen is produced? (Hint equation: ) Develop expressions for the number of moles of phosphine, phosphorus and hydrogen present at any time, and determine how long it would take for 3 mol of phosphine to have reacted. 4. Ethylene is first chlorinated to yield tetrachloroethane, which is dehydrochlorinated to form trichloroethylene. The standard heat of formation of liquid trichloroethylene is -276.2 kJ/mol. Note: Standard heats of formation for ethylene, hydrogen chloride, chlorine and hydrogen. a) Use the given data to calculate standard heat of formation of tetrachloroethane and standard heat of second reaction. b) Use Hess’s law to calculate the standard heat of the reaction: c) If 300 mol/h of produced in the reaction of part (b), reactants and products are all at 25 °C and 1 atm. How much heat is evolved or absorbed in the process? 5. (a) Steam at 35 bar and 600 K enters a throttling valve that reduces the steam pressure to 7 bar. Assuming there is no heat loss from the valve, what is the exit temperature of the steam and its change in entropy? (b) If air (assumed to be an ideal gas with C P = 29.3 J/mol.K ) entered the valve at 35 bar and 600 K and left at 7 bar, what would be its exit temperature and entropy change?
A stream of air (21 mole% O2, the rest N2) flowing at a rate of 10.0 kg/h is mixed with a stream of CO2. The CO2 enters the mixer at a rate of 20.0 m3/h at 150oC.
Explain the structure of Algae and Protozoa and their industrial applications. 2. Derive the rate expression for reversible two substrate reaction. 3. An enzyme ...
Jan 31, 2015 - Notations : Question Paper Name: CH: CHEMICAL ENGINEERING 31st Jan Shift1. Number of Questions: 65. Total Marks: 100.0. Number of Questions: 10 ... 3. Question Number : 9 Question Type : MCQ. Page 3 of 27. Main menu. Displaying GATE 31
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Consider the following parameters with regards to slenderness ratio of a compression. member: 1. Material 2. Sectional configuration. 3. Length of member 4.
Prove that work done in a steady flow process is given by integral 2 to 1 v dp · when volume changes from v1 to v2. 2.a) State the first law of thermodynamics. b) One kilogram of air is heated reversibly at constant pressure from an initial state · o
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Total Marks MCQs. Signature of. Examiner. Signature of Head. Examiner. For Official Use Only. Part-A (Multiple Choice Questions). Time Allowed: 50 Minutes.
CR. TYPE. MPU 3113. MPU 3123. Local Students : i. Hubungan Etnik ii Tamadun Islam Dan Tamadun Asia. 3. 3. NR. MPU 3143. MPU 3173. International Students : i. Bahasa Melayu Komunikasi 2 ii. Malaysia Studies 3. 3. 3. NR. FDM 1023 Ordinary Differential
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V. Answer the following questions. (4 x 4 = 16). 37) The sum of an infinite geometric progression is 15 and the sum of the squares of these terms is 45. Find the ...
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(b) A very long steel drill pipe got stuck in hard clay at an unknown depth. The drill pipe was .... (i) Distinguish between Flexibility Method and Stiffness Method used for analysis of structures. 4 . . (ii) ... (1) Draw a network for this project,.
Coulson Richardson s Chemical Engineering. Vol. 6 Chemical Engineering Design 4th Ed.pdf. Coulson Richardson s Chemical Engineering. Vol. 6 Chemical ...
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Page 1 of 1. ALAT PERAGA MENARA HANOI, POLA SUDUT, DAN BLOK LOGIKA. Dosen Pembimbing : Dr. Warli. M.pd. Disusun oleh : Abi Fusawat Sarji Rindi Dwi Kurniawati. Page 1 of 1. Coulson Richardson s Chemical Engineering. Vol. 6 Chemical Engineering Design