CENTRIFUGAL PUMP DEMONSTRATION UNIT (CH3132 - Energy Efficiency and Conservation) INSTRUCTED BY : Mr. M.A. THARANGA NAME INDEX NO GROUP DATE OF PER DATE OF SUB : T.R.MUHANDIRAMGE : 090334 H :E : 2012-03-30 : 2012-04-24 RESULTS AND DISCUSSION Exercise 1 :-Understanding the basic characteristic curves of a centrifugal pump. 1. Total head against the flow rate At 70% At 50% 2. Mechanical power changes with the flow rate At 70% At 50% 3. Pump efficiency against the flow rate
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involved and try to pressure you one way or another it can be even harder. People who are your age‚ like your classmates‚ are called peers. When they try to influence how you act‚ to get you to do something‚ it’s called peer pressure. It’s something everyone has to deal with‚ even adults. Maybe you want to do it‚ and you just don’t have the courage to do it and your friends talk you into it. Peer Pressure can be broken down into two areas‚ good peer pressure and bad peer pressure. When we think of
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`A 20cm diameter pipe of length 100m with z = 60m with f = 0.02 and loss of head due to entrance coefficient k = 0.5. What is the flow rate? Solution: Find the width in m of the channel at the back of a suppressed weir using the following data: H = 28.5cm; d = 2.485m; Q = 0.84 cu.m/sec. Consider the velocity of approach and use the Francis formula. Solution: Water flows in a 2m. wide rectangular flume at the rate of 2.75 cu.m./sec
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that occupies space and has weight. Matter – A substance that occupies space and has a mass. Latent Heat – Is heat energy absorbed or rejected when a substance is changing state and there is no change in temp. Power – Is the rate of doing work. Pressure - Force per unit of area. Sensible Heat – Heat that causes a change in temperature. Specific Heat – The amount of heat required to raise the temperature of 1lb of a substance 1 degree F. Specific Gravity – The weight of a substance compared to
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relationship among the complete pressure and capacity of gas‚ if the temperature is reserved in stable within a closed system. The mathematical expression for Boyles Law is: V=K(1/P) or PV=K (Constant T and n) Where‚ P and V are the pressure and volume of the gas sample respectively. K is a constant and dependent of the temperature (T) and the amount of gas (n‚ moles). The Graph below successfully indicates Boyle’s Law visually: A: Volume Verses Pressure B: Volume Verses 1/P Part
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change in temperature and pressure of ethanol using a Vernier temperature probe. By using the ideal gas equation‚ and plugging the slope value from the graph into the Clausius-Claypernon equation‚ enthalpy of vaporization was determined to be 10kJ/mol. The percent error was determined to be 76.0%. Introduction: The purpose of this lab is to investigate vapor pressures and the partial pressure of gas produced from liquids at different temperatures. These pressures vary at different temperatures
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Social expectations are something every person faces. No matter one’s gender‚ ethnicity‚ or class‚ everyone feels pressure to behave a certain way‚ and I believe one of the most defining character traits is whether one chooses to conform to these social pressures or to pave his or her own path in life. Despite the existence of social norms in every culture‚ certain cultures hold these expectations in much higher regards than others‚ and breaking such social laws can have detrimental consequences
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September 16‚ 2010 Parental Pressure on Teens In the movie‚ American Teen‚ there were many types of parental pressures shown on teens entering college. This is a negative trait because more often than not‚ this leads the teen in the wrong direction or results in the teen making poor decisions. According to the PewResearchCenter‚ only nine percent of college students think that they need more parental pressure. In life‚ emotional‚ traditional and financial pressure will have a negative impact on
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R = 1. What pressure is required to contain 0.023 moles of nitrogen gas in a 4.2 L container at a temperature of 20.(C? 2. Oxygen gas is collected at a pressure of 123 kPa in a container which has a volume of 10.0 L. What temperature must be maintained on 0.500 moles of this gas in order to maintain this pressure? Express the temperature in degrees Celsius. 3. How many moles of chlorine gas would occupy a volume of 35.5 L at a pressure of 100.0 kPa and
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3 6.4 6.5 7 7.1 7.2 8 8.1 8.2 Scope Normative and informative references Normative references Informative references Terms‚ definitions and abbreviations Terms and definitions Abbreviations Design pressure and temperature General Design pressure Design temperature Safety instrumented secondary pressure protection systems General Testing Line sizing criteria General Sizing of liquid lines Sizing of gas lines Sizing of gas/liquid two-/multiphase lines Sizing of flare and vent lines Detailed requirements
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