11–126 Air at 308C flows over a 3.0-cm-outer-diameter, 45-m-long pipe with a velocity of 6 m/s. Calculate the drag Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 126 Problem 11-126
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11–111E Janie likes to drive with a tennis ball on her car antenna. The ball diameter is D 5 2.62 in and its equivalent Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 111 Problem 11-111E
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11–127 A 0.8-m-outer-diameter spherical tank is completely submerged in a flowing water stream at a velocity of Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 127 Problem 11-127
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questions—m….docx
11–124 Water at 108C flows over a 1.1-m-long flat plate with a velocity of 0.55 m/s. If the width of the plate is Document Preview:
Questions – Mechanical Eng – Fluid Mechanics – Class Homework assignment – set 124 Problem 11-124
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questions—m….docx
12.2 The returns for the past five years on Douglas stock and the New York Stock Exchange Composite Index (NYSE) are listed below: Douglas NYSE 0.05 0.12 0.05 0.01 0.08 0.06 0.15 0.10 0.10 0.05 a. W
12.10-4. Countercurrent Multistage Leaching of Halibut Livers. Fresh halibut livers contain- ing 25.7 wt % oil are to be extracted with pure ethyl ether to remove 95% of the oil in a countercurrent multistage leaching process. The feed rate is 1000 kg of fresh livers per hour. The final exit overflow solution is to contain 70 wt % oil. The retention of solution by the inert solids (oil-free liver) of the liver varies as follows (C1), where N is kg inert solid/kg solution retained and yA is kg oil/kg solution: YA 2.47 0.4 1.67 0.6 yA 4.880 1.39 0.81 .50 0.2 rt 2 Separation Process Principles Calculate the amounts and compositions of the exit streams and the tota of theoretical stages. l number
11.You have been charged with the responsibility of implementing a facilities design project for bagging ammonium nitrate fertilizers (granular substance) in 10, 20 and 30 kg, plastic and paper bags and shipping through railway box cars. The facility includes screw conveyor system for transporting fertilizers from the production plant to the bagging workstation, automatic weighing scale, turret hopper with spouts for bagging, heat sealer (for plastic bags)/sewing machine (for paper bags), steel wheel conveyor system for moving bags to railway box car and palletizer for stacking bags in the railway box car. (a) Explain the problems that you envisage with particular reference to heat sealer, sewing machine, steel wheel conveyor and palletizer. (b) State the factors that must be considered in the selection and installation—of the various material handling equipment.
11. Which of the following is not an advantage of a synchronous detection? a. Low distortion b. Eliminate diagonal clipping c. Greater ability to follow fast-modulated signals d. Ability to produce gain
11) What is the best way to cleanup a small nanoparticle spill on the floor? a) Swiping b) Wet towel cleaning c) Washing with water d) Dusting and vacuuming 12) What should be the daily routine practice to prevent the cross contamination of laboratories? a) Removing glows when left the room b) Changing the lab coat for each lab c) Washing hands d) All of above
11.Supplier-buyer relationships are categorized into A.Four categories B.Five categories C.Seven categories D.Eight categories 12. Industries such as agriculture, fisheries, construction and transportation, together up the A. organization market B.large markets C.large buying D.business market 13. Companies shift ordering responsibility to specific supplier?s in managing systems are classified as A. vendor managed inventory B.replenishment programs C.continuous programs D.inventory management 14.People having authority to prevent information to reach deciders and approvers are classified as A.approvers B.gatekeepers C.evaluators D.initiators 15. Companies join together to gain more discounts on volume purchases are classified as A.barter alliances B.buying markets C.buying alliances D.private exchanges
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