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Unit 205: Cold water systems - practice test

james crowley 20 preguntas 12.879 visitas 5,0 (1 valoración)

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Preguntas del test (20)

  1. 1When installing a new indirect cold water system, which of the following should
    happen, according to the Water Regulations?
    1. Aa. One tap, normally the kitchen sink, should be drawn directly from the
      supply pipe
    2. Bb. One tap, normally the kitchen sink, should have a dedicated distribution pipe
      from the storage cistern
    3. Cc. Mixer taps will require double check valves
    4. Dd. Mixer taps should never be installed due to the pressure differences
  2. 2According to BS6700 and the Water Regulations, a drain off valve should be
    installed:
    1. Aa. At every draw off point
    2. Bb. At every high point in the system
    3. Cc. At every low point in the system
    4. Dd. Above the cold water storage cistern.
  3. 3Pin holing in copper pipework is commonly caused by:
    1. Aa. Hard water
    2. Bb. Acidic water
    3. Cc. Alkaline water
    4. Dd. Pure water.
  4. 4While installing pipework in a property, you are called off site to another job. What
    would be the correct course of action with any open-ended pipework?
    1. Aa. Place a warning label on every open end
    2. Bb. Cap off with a push fit fitting
    3. Cc. Warn the customer not to interfere with any pipework
    4. Dd. Be as quick as you can to return.
  5. 5One of the major problems when leaving a dead leg in a cold water pipe is:
    1. Aa. Electrolytic corrosion
    2. Bb. Pitting of pipework
    3. Cc. Reduction in water flow
    4. Dd. Possible bacterial growth.
  6. 6The use of WRAS approved fittings when installing cold water pipework is:
    1. Aa. A legal requirement
    2. Bb. To be corrosion resistant
    3. Cc. To avoid contamination
    4. Dd. All of the above.
  7. 7On the completion of a new cold water installation, the system has been proven
    sound. What would the next course of action be?
    1. Aa. Visual inspection with the customer
    2. Bb. Flush the pipework out then hand over to the customer
    3. Cc. Prepare the benchmark certificate
    4. Dd. Hand over to the customer.
  8. 8What is the most cost effective way to repair a stop valve that has the head gear
    jammed open?
    1. Aa. Replace the head gear only
    2. Bb. Replace the whole valve
    3. Cc. Leave in position, and install a new stop valve upstream
    4. Dd. Repack the glands around the spindle.
  9. 9When decommissioning a system, the correct procedure is to:
    1. Aa. Turn off the water quickly to save any wasted water
    2. Bb. Drain the system down then inform the customer
    3. Cc. Inform the customer first then drain the system
    4. Dd. Use a pump to drain down quickly.
  10. 10What is this item?Imagen de la pregunta 10
    1. Aa. Fullway gate valve
    2. Bb. Drain off valve
    3. Cc. Stop valve
    4. Dd. Spherical ball valve.

Información

Descripción
A cold water practice exam
Idioma
English
Visitas
12.879
Valoración
5,0 de 5 · 1 valoración
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