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Understand the pressure, force and flow of water
Quiz by Ricky Fleet
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24 questions
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- Q1Which of the following pipes, each measuring 6m in length, will offer the greatest resistance to the flow of water?15mm pipe with two machine bends and two elbows15mm pipe with four machine bends15mm pipe with four elbows22mm pipe, which reduces down to 15mm halfway along its length30s
- Q2What is the intensity of pressure acting at the base of a 7m long pipe, which has a head height of 3 meters (the cistern at the head of this pipe measures 500mm x 500mm x 500mm)?32.49kPa24.67kPa19.81kPa29.43kPa30s
- Q3Which of the following will cause siphonage to occur?Suction at point CSuction at point AAtmospheric pressure in the tubeIncrease in pressure at point B30s
- Q4With a downward pressure of 100kPa and a head of 10m, what would be the approximate pressure in bar?50 bar1 bar100 bar10 bar30s
- Q5One meter head of pressure is roughly equal to...1 Bar0.1 Bar0.00001 Bar10 Bar30s
- Q6On the image which point would experience the lowest pressure?Point DPoint CPoint APoint B30s
- Q7On the image which point would experience the highest pressure?Point APoint BPoint CPoint D30s
- Q8If a tank (dimensions 500mm x 1000mm) had a static head of pressure of 5m which calculation shows the intensity of pressure at the base of the pipe?5m x 1000mm x 9.81Kn/m�500mm x 1000mm x 9.81Kn/m�500mm x 1000mm5m x 9.81Kn/m�30s
- Q9Pipework fittings such as elbows, will most likely...Stop flow ratesMaintain flow ratesIncrease flow ratesDecrease flow rates30s
- Q10Which one of the following terms best describes the principles of velocity?The rate at which an object changes its positionThe amount of fluid that flows through a pipeThe volume of water flowing through a ductThe force acting upon a surface30s
- Q11The following image shows siphonic action. Which of the following is required for the action to occur?Low atmospheric pressure in the upper beakerHigh static pressure in the lower beakerGravity and the cohesive nature of waterLow adhesion and dynamic pressure30s
- Q12What unit below is used for measuring temperature?InchesSecondKilogramsKelvin30s
- Q13The SI unit for pascal (pressure) is?Nm2PascP2aPa30s
- Q14What is the International si unit of force?PaBarKjN30s
- Q15Which calculation do we use to measure gravity?Divide by 9.81 m/s2Divide by 0.981 m/s2Multiply by 0.981 m/s2Multiply by 9.81 m/s230s