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Understand the pressure, force and flow of water

Quiz by Ricky Fleet

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24 questions
Show answers
  • Q1
    Which 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 elbows
    15mm pipe with four machine bends
    15mm pipe with four elbows
    22mm pipe, which reduces down to 15mm halfway along its length
    30s
  • Q2
    What 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)?
    32.49kPa
    24.67kPa
    19.81kPa
    29.43kPa
    30s
  • Q3
    Which of the following will cause siphonage to occur?
    Question Image
    Suction at point C
    Suction at point A
    Atmospheric pressure in the tube
    Increase in pressure at point B
    30s
  • Q4
    With a downward pressure of 100kPa and a head of 10m, what would be the approximate pressure in bar?
    50 bar
    1 bar
    100 bar
    10 bar
    30s
  • Q5
    One meter head of pressure is roughly equal to...
    1 Bar
    0.1 Bar
    0.00001 Bar
    10 Bar
    30s
  • Q6
    On the image which point would experience the lowest pressure?
    Question Image
    Point D
    Point C
    Point A
    Point B
    30s
  • Q7
    On the image which point would experience the highest pressure?
    Question Image
    Point A
    Point B
    Point C
    Point D
    30s
  • Q8
    If 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/m³
    500mm x 1000mm x 9.81Kn/m³
    500mm x 1000mm
    5m x 9.81Kn/m³
    30s
  • Q9
    Pipework fittings such as elbows, will most likely...
    Stop flow rates
    Maintain flow rates
    Increase flow rates
    Decrease flow rates
    30s
  • Q10
    Which one of the following terms best describes the principles of velocity?
    The rate at which an object changes its position
    The amount of fluid that flows through a pipe
    The volume of water flowing through a duct
    The force acting upon a surface
    30s
  • Q11
    The following image shows siphonic action. Which of the following is required for the action to occur?
    Question Image
    Low atmospheric pressure in the upper beaker
    High static pressure in the lower beaker
    Gravity and the cohesive nature of water
    Low adhesion and dynamic pressure
    30s
  • Q12
    What unit below is used for measuring temperature?
    Inches
    Second
    Kilograms
    Kelvin
    30s
  • Q13
    The SI unit for pascal (pressure) is?
    Nm2
    Pasc
    P2a
    Pa
    30s
  • Q14
    What is the International si unit of force?
    Pa
    Bar
    Kj
    N
    30s
  • Q15
    Which calculation do we use to measure gravity?
    Divide by 9.81 m/s2
    Divide by 0.981 m/s2
    Multiply by 0.981 m/s2
    Multiply by 9.81 m/s2
    30s

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