So‚ shut off head is a part of the charactoristic curves. Caution: Dont run the centrifugal pump for a prolonged period in shut-off condition ‚or else the liquid will get vaporise and pump will run dry and damaged the important part of the pumps like mechanical seal/gland packings‚bearing ‚etc. Pump is a device that moves fluids (liquids or gases)‚ or sometimes slurries‚ by mechanical action. Pumps can be classified into three major groups according to the method they use to move the fluid: direct
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Name: Ramlee Rudebaugh IPS 8- Chapter 3 Questions‚ 43-52 Score March 3‚ 2014 38 Use complete sentences and show your work with units on each problem. 43. How can you distinguish between unlabeled pint cartons of milk and of cream without breaking the seals? 2 By calculating the mass and dividing it by the volume to get the density‚ then compare densities. 44. A student has several different-size samples of substances I and II. She measures the masses and volumes of these
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Ink Chromatography Lab Background Information Paper chromatography is an analytical method that is used for separating and identifying mixtures of substances into their smaller parts. Paper chromatography works because the ink used contains several dyes (pigments) that when place on porous paper are dissolved in a solvent by capillary action. When the pigments (solutes) are dissolved in the solvent (water & alcohol mixture) they move through the paper at different rates depending on their
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substance reaches its freezing point and begins to freeze‚ its temperature remains constant until it is completely frozen. However‚ in order to melt a substance must go through a energy change‚ creating the problem‚ “What energy changes occur when a liquid solidifies?”. To solve the problem‚ a hypothesis was proposed‚ stating “When a substance begins to solidify‚ it releases heat energy‚ because a substance
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not to present the question “How do we get there?” since that question brings up an infinite amount of theories that Scientist and Physicist alike are still trying to overcome. Which planet would we want to live on? We chose a moon proven to have liquid water under its surface‚ Enceladus. With other living options out there like Mars‚ or Titan (one of Saturn’s larger moons) we chose in our opinion one of the least taxing and more accommodating locations. Where and Why Enceladus? Enceladus is
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common materials on Earth. We interact with it every day: it the air around us‚ in puddles on the ground‚ and even within ourselves. We also know that H2O is commonly found in all three of the different forms of matter: ice as the solid‚ water as the liquid‚ and steam as the gas. We know that we can quickly change between the different forms of H2O by either increasing or decreasing temperature. We have worked with hot plates and thermometers in other labs before‚ so we know how to be safe. I wonder
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ones that protect them. Only a few hours after spraying‚ you can harvest and eat your vegetables. Instructions Things you need • Cigarette butts (one cup per gallon of water) • Bucket • Water • Fine stainer or cheese cloth • Liquid soap • Spray bottles • Disposable gloves 1 Collect cigarette butts. If you smoke‚ this will be easy‚ but if you don’t you can scrounge them others or from public ashtrays. (Wear rubber gloves when handling them.) 2 Soak one cup of
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making the rotary drilling system work is the ability to circulate a fluid continuously down through the drill pipe‚ out through the bit nozzles and back to the surface. The drilling fluid can be air‚ foam (a combination of air and liquid or a liquid. Liquid drilling fluids are commonly called drilling mud. All drilling fluids‚ especially drilling mud‚ can have a wide range of chemical and physical properties. These properties are specifically designed for drilling conditions and the special
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Fundamental of Engineering Calculation 1. Determine the following unit conversions to SI units: a. Density value of 60 lbft3 to kgm3‚ Ans: 961.1 kg/m3 b. Energy value of 1.7 ×103Btu to kJ‚ Ans: 1.8 x 103 kJ c. Enthalpy value of 2475 BtulbtokJkg‚ Ans: 5756 kJ/kg d. Pressure value of 14.69 psig to kPa‚ Ans: 201.88 kPa e. Viscosity value of 20 cp to Pa∙s‚ Ans: 2 x 10-2 Pa∙s Table of Conversion Factor 1 lb | 0.454 kg |
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which makeup is best for you‚ sometimes it can be quite a challenge. Personally‚ I am very picky about the makeup that I apply to my face daily. With experimenting different brands and their products‚ I finally came across Neutrogena’s Skin Clearing liquid foundation. This cover up was designed for women who are looking for an all over coverage but at the same time‚ avoiding any annoying present or future breakouts. Its shine-free‚ natural coverage that lets your skin breathe and won’t clog pores
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