12832662
Beschreibung
Quiz von james crowley, aktualisiert more than 1 year ago
|
Erstellt von james crowley
vor mehr als 6 Jahre
|
|
Frage 1
Frage
When installing a new indirect cold water system, which of the following should
happen, according to the Water Regulations?
Antworten
-
a. One tap, normally the kitchen sink, should be drawn directly from the supply pipe
-
b. One tap, normally the kitchen sink, should have a dedicated distribution pipe from the storage cistern
-
c. Mixer taps will require double check valves
-
d. Mixer taps should never be installed due to the pressure differences
Frage 2
Frage
According to BS6700 and the Water Regulations, a drain off valve should be
installed:
Antworten
-
a. At every draw off point
-
b. At every high point in the system
-
c. At every low point in the system
-
d. Above the cold water storage cistern.
Frage 3
Frage
Pin holing in copper pipework is commonly caused by:
Antworten
-
a. Hard water
-
b. Acidic water
-
c. Alkaline water
-
d. Pure water.
Frage 4
Frage
While 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?
Antworten
-
a. Place a warning label on every open end
-
b. Cap off with a push fit fitting
-
c. Warn the customer not to interfere with any pipework
-
d. Be as quick as you can to return.
Frage 5
Frage
One of the major problems when leaving a dead leg in a cold water pipe is:
Antworten
-
a. Electrolytic corrosion
-
b. Pitting of pipework
-
c. Reduction in water flow
-
d. Possible bacterial growth.
Frage 6
Frage
The use of WRAS approved fittings when installing cold water pipework is:
Antworten
-
a. A legal requirement
-
b. To be corrosion resistant
-
c. To avoid contamination
-
d. All of the above.
Frage 7
Frage
On the completion of a new cold water installation, the system has been proven
sound. What would the next course of action be?
Antworten
-
a. Visual inspection with the customer
-
b. Flush the pipework out then hand over to the customer
-
c. Prepare the benchmark certificate
-
d. Hand over to the customer.
Frage 8
Frage
What is the most cost effective way to repair a stop valve that has the head gear
jammed open?
Antworten
-
a. Replace the head gear only
-
b. Replace the whole valve
-
c. Leave in position, and install a new stop valve upstream
-
d. Repack the glands around the spindle.
Frage 9
Frage
When decommissioning a system, the correct procedure is to:
Antworten
-
a. Turn off the water quickly to save any wasted water
-
b. Drain the system down then inform the customer
-
c. Inform the customer first then drain the system
-
d. Use a pump to drain down quickly.
Frage 10
Antworten
-
a. Fullway gate valve
-
b. Drain off valve
-
c. Stop valve
-
d. Spherical ball valve.
Frage 11
Antworten
-
a. Spherical ball valve
-
b. Fullway gate valve
-
c. Stop valve
-
d. Drain off valve.
Frage 12
Frage
When installing a new water service pipe to a property, it should
normally be buried between what depths?
Antworten
-
a. 135mm to 1,750mm
-
b. 350mm to 750mm
-
c. 1,350mm to 1,750mm
-
d. 750mm to 1,350mm.
Frage 13
Antworten
-
a. Warning pipe
-
b. Grommet for open vent
-
c. Screened vent
-
d. Inspection flap.
Frage 14
Frage
Which of the following materials is not allowed
to be installed on new cold water systems?
Antworten
-
a. Copper
-
b. Stainless steel
-
c. MDPE
-
d. Lead.
Frage 15
Frage
What type of valve is designed to shut off the supply of water in a cistern at a
predetermined level?
Antworten
-
a. Stop valve
-
b. Fullway gate valve
-
c. Float operated valve
-
d. Isolation valve.
Frage 16
Frage
The fluid category that offers a slight health risk to a customer is:
Antworten
-
a. 1
-
b. 2
-
c. 3
-
d. 4.
Frage 17
Frage
The correct back flow protection device that would be installed prior to a shower
mixer valve would be:
Antworten
-
a. Single check valve
-
b. Double check valve
-
c. RPZ valve
-
d. Type AG air gap.
Frage 18
Frage
To protect category 1 water from category 3 water, what would need to be installed,
according to the Water Regulations?
Antworten
-
a. Single check valve
-
b. Double check valve
-
c. RPZ valve
-
d. Type AG air gap.
Frage 19
Antworten
-
a. Pressure
-
b. Category of water
-
c. Flow rate
-
d. pH valve.
Frage 20
Frage
If a customer’s tap is dripping, what tool can be used to correct the situation?
Antworten
-
a. Club hammer
-
b. Stillsons
-
c. Bradawl
-
d. Re-seating tool.
Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.