Engineering, 04.05.2021 01:00 vanesacastorena
A thermal process is being used to reduce the microbial population on product contact surfaces of the packages needed for aseptic packaging of the liquid product. The spoilage microorganism has a D121 5 10 min and a z 5 88C. The microbial population on the surface is 100 per cm2 and the product contact surface area is 8 cm2 for each package. A 9D process has been recommended. a. Determine the process time for the containers at 1408C. b. Estimate the number of containers with spoilage based on survivors on the package surface when 10 million packages have been filled.
Answers: 2
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Engineering, 04.07.2019 18:10
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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Engineering, 04.07.2019 18:10
What are the two (02) benefits, which may result from a successful implementation of preventive maintenance (pm) program in an organization? (clo3)a)- lean manufacturing b)-overlapping responsibilities c)-the planner is not qualified d)-accurate contractor information e)-reduction in equipment redundancies f)-accurate stores information
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Engineering, 04.07.2019 18:20
An open feedwater heater operates at steady state with liquid entering at inlet 1 with t? = 40Β°c and pl = 1 .2 mpa. water vapor att2-200Β°c and p2 = 1.2 mpa enters at inlet 2. saturated liquid water exits with a pressure of pa 1.2 mpa. neglect heat transfer with the surroundings and all kinetic and potential energy effects, determine the mass flow rate of steam at inlet 2 if the mass flow rate of liquid water at inlet 1 is given as 2 kg/s.
Answers: 3
A thermal process is being used to reduce the microbial population on product contact surfaces of th...
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