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QUESTION 5: (17 Marks) a) AirGen is proposing to install device A for operating the brakes....
Question 3 The following is a liquid-phase reaction that is performed in a Continuous Stirred Tan...
Question 3 The following is a liquid-phase reaction that is performed in a Continuous Stirred Tank Reactor (CSTR) to produce glycol. CH2-OH KACAC The concentrations of ethylene oxide and water, entering the inlet streams are 16.13 mol/dm' and 5. 50 moldm2, respectively. The specific reaction rate, &02 mmols at 300 K with activation energy, E of 12500 cal/mol. The ideal gas cal/mol.K. Assume that the reaction follows an elementary rate law. t is 1.987 a. By using a stoichiometric table,...
Question 5 (10 marks) A perfect gas, initially at high pressure, flows steadily into an adiabatic,...
Question 5 (10 marks) A perfect gas, initially at high pressure, flows steadily into an adiabatic, reversible turbine at a mass flow rate of 1.0 kg s!. It emerges at low pressure. The velocities at inlet and outlet are 50 m stand 75 m s', respectively, and the outlet pipe is 2.5 m above the inlet pipe. The power output of the turbine is 966 kW. Calculate: (a) the change in kinetic energy across the turbine per kg of gas;...
QUESTION 4 (25 marks) Water (Cr 4.208 kJ/kg.K) at flow rate of 5.11 kg/s s heated from 78°C to 98°C in an economize...
QUESTION 4 (25 marks) Water (Cr 4.208 kJ/kg.K) at flow rate of 5.11 kg/s s heated from 78°C to 98°C in an economizer inside a boiler. The boiler is a cross flow heat exchanger with single pass, shell fluid mixed and other fluid unmixed. The average water velocity in the 1.5 cm diameter (D) tube is 1.27 m/s. On the shell side, hot air (C,-1.0341 kJ/kgK) was used as the heating fluid with 7.3 kg/s of it entering the exchanger...
In a device to produce drinking water, humid air at 32°C, 90% relative humidity and 1...
In a device to produce drinking water, humid air at 32°C, 90% relative humidity and 1 atm is cooled to 5°C at constant pressure.. If the duty on the unit is 2,200 kW of heat is removed from the humid air, how much water is produced and what is the volumetric flow rate of air entering the unit? Data: Air at 32°C has H- o.204 kJ/mol and at 5°C has H 576 kJ/mol H of steam can be found on...
Homework 2 Problem 1: A piston-cylinder device initially contains 0.35-kg steam at 3.5 MPa, superheated by...
Homework 2 Problem 1: A piston-cylinder device initially contains 0.35-kg steam at 3.5 MPa, superheated by 7.4 C. Now the stream loses heat to the surroundings and the piston moves down, hitting a set of stops at which point the cylinder contains saturated liquid water. The cooling continues until the cylinder contains water at 200C. Determine (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer when the piston first hits...
QUESTION 1 [15 marks] Due: 5 August 2020 An air conditioner operating at steady state takes...
QUESTION 1 [15 marks] Due: 5 August 2020 An air conditioner operating at steady state takes in moist air at 28°C, 1 atm and 70% relative humidity. The moist air first passes over a cooling coil in the dehumidifier unit and some water vapor is condensed. The rate of heat transfer between the moist air and the cooling coil is 38.69 kW. Both saturated moist air and condensate streams exit the dehumidifier unit at the same temperature. The moist air...
summarizr the followung info and write them in your own words and break them into different...
summarizr the followung info and write them in your own words and break them into different key points. 6.5 Metering Chamber: 6.5.1 The minimum size of the metering box is governed by the metering area required to obtain a representative test area for the specimen (see 7.2) and for maintenance of reasonable test accuracy. For example, for specimens incorporating air spaces or stud spaces, the metering area shall span an integral number of spaces (see 5.5). The depth of...
summatize the following info and break them into differeng key points. write them in yojr own...
summatize the following info and break them into differeng key points. write them in yojr own words
apartus
6.1 Introduction—The design of a successful hot box appa- ratus is influenced by many factors. Before beginning the design of an apparatus meeting this standard, the designer shall review the discussion on the limitations and accuracy, Section 13, discussions of the energy flows in a hot box, Annex A2, the metering box wall loss flow, Annex A3, and flanking loss, Annex...
Question 3 The following is a liquid-phase reaction that is performed in a Continuous Stirred Tank Reactor (CSTR) to produce glycol. CH2-OH KACAC The concentrations of ethylene oxide and water, entering the inlet streams are 16.13 mol/dm' and 5. 50 moldm2, respectively. The specific reaction rate, &02 mmols at 300 K with activation energy, E of 12500 cal/mol. The ideal gas cal/mol.K. Assume that the reaction follows an elementary rate law. t is 1.987 a. By using a stoichiometric table,...
Question 5 (10 marks) A perfect gas, initially at high pressure, flows steadily into an adiabatic, reversible turbine at a mass flow rate of 1.0 kg s!. It emerges at low pressure. The velocities at inlet and outlet are 50 m stand 75 m s', respectively, and the outlet pipe is 2.5 m above the inlet pipe. The power output of the turbine is 966 kW. Calculate: (a) the change in kinetic energy across the turbine per kg of gas;...
QUESTION 4 (25 marks) Water (Cr 4.208 kJ/kg.K) at flow rate of 5.11 kg/s s heated from 78°C to 98°C in an economizer inside a boiler. The boiler is a cross flow heat exchanger with single pass, shell fluid mixed and other fluid unmixed. The average water velocity in the 1.5 cm diameter (D) tube is 1.27 m/s. On the shell side, hot air (C,-1.0341 kJ/kgK) was used as the heating fluid with 7.3 kg/s of it entering the exchanger...
In a device to produce drinking water, humid air at 32°C, 90% relative humidity and 1 atm is cooled to 5°C at constant pressure.. If the duty on the unit is 2,200 kW of heat is removed from the humid air, how much water is produced and what is the volumetric flow rate of air entering the unit? Data: Air at 32°C has H- o.204 kJ/mol and at 5°C has H 576 kJ/mol H of steam can be found on...
Homework 2 Problem 1: A piston-cylinder device initially contains 0.35-kg steam at 3.5 MPa, superheated by 7.4 C. Now the stream loses heat to the surroundings and the piston moves down, hitting a set of stops at which point the cylinder contains saturated liquid water. The cooling continues until the cylinder contains water at 200C. Determine (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer when the piston first hits...
QUESTION 1 [15 marks] Due: 5 August 2020 An air conditioner operating at steady state takes in moist air at 28°C, 1 atm and 70% relative humidity. The moist air first passes over a cooling coil in the dehumidifier unit and some water vapor is condensed. The rate of heat transfer between the moist air and the cooling coil is 38.69 kW. Both saturated moist air and condensate streams exit the dehumidifier unit at the same temperature. The moist air...
summatize the following info and break them into differeng key points. write them in yojr own words
apartus
6.1 Introduction—The design of a successful hot box appa- ratus is influenced by many factors. Before beginning the design of an apparatus meeting this standard, the designer shall review the discussion on the limitations and accuracy, Section 13, discussions of the energy flows in a hot box, Annex A2, the metering box wall loss flow, Annex A3, and flanking loss, Annex...
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