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Pipework connected to the hot water cylinder must be insulated ……………………
from the cylinder
The Vent pipe on a open vented system should be a least?
What size timber supports should at least use when one is installating a drip tray?
What is, in terms of SANS 10252-1 the maximum amount of water than can be allowed in a dead leg
on the hot water supply pipe?
What size should the Vent pipe on a open vented system be?
In terms of SANS 10252-1 the length of an unheated pipe (dead leg) carrying hot water to a terminal
fitting shall be such that the volume of water held within such a pipe will not exceed _____.
What is the minimum height that a vacum control valve maybe installed on geyser?
Stored hot water in accordance with SANS 10252-1 shall be maintained at a minimum temperature
of …………………….
Which is the odd one out when installing a discharge pipe a saftey valve?
In terms of SANS 10252-1; stored hot water shall be maintained at a minimum temperature of
What static pressure may a domestic hot and cold water system not exceed?
SANS 10254 requires vacuum breakers to be installed ……………mm above the geyser
The size of the discharge pipe of drip tray must be:
Which of the following is correct:
High pressure hot waters systems are general refered to as a open or closed system?
Temperature/ pressure valve is set to open once water reaches …………………….?
As per SANS 10252-1 any hot water line installed above ground and exceeding 18m provision must
be made for
In terms of SANS 10252, what is the maximum supply temperature from a hot water
installation to a terminal fitting?
The components used in a hot water system must installed so as to:
In terms SANS 10252-1, the expansion relief and temperature pressure relief overflows must be
installed in such a manner that they cannot be ……………………………..
A temperature pressure discharge pipe must be increased in size where the pipe exceeds ……m
In which position would a strainer be installed?
A hot water cylinder that is rated IPX 4 can be installed
SANS 10254, 5.5 makes specific reference to:
Overflow discharge pipes from a hot water cylinder will be installed in such a manner that:
An IPX4 rating advises that the unit can be installed ………………………………………
An expansion control valve installed on the cold water supply to a hot
water cylinder it shall be installed ……………………. of an isolating valve
In terms of 10254, B.2.1 what type of timber is to be used to support the geyser and tray?
In terms of SANS 10252-1 what is the minimum size of a trap door requirement for a ceiling?
Once the installation is complete and functioning the consumer must be provided with the
following?
Is the following statement correct: All valves used in the system can have a different pressure rating?
Which section of SANS 10254 makes reference to the hot and cold water system being balanced?
The discharge pipe for a safety valve must be always:
When must a drip tray for a geyser be installed:
SANS 10254; refers to non-compliance: What action must be taken by the plumber?
In terms of SANS 10254 what type of timber must be used when constructing a geyser platform or
supporting the roof trusses
SANS 10254 refers to which one of the following
In terms of SANS 10252-1 overflow pipes must be installed in a manner that they cannot be
May anyone do a rational design on a hot water heating system?
SANS 10254 refers to which Standard?
What standard must the electrical wiring system for the geyser comply with?
In terms of SANS 10252-1 Expansion relief and the temperature pressure control valve discharge
pipes shall ……………………….
Is the following statement correct: A 400KPA rated geyser may be installed with out the use of a pressure control device if a storage tank is used that provides a contact head of pressure that does not exceed a static pressure of 400KPA?
A hot water cylinder installation must incorporate insulation of the pipe work on both hot and cold pipes?
Manufacturer’s requirements and installation guidelines supersede the compulsory standard?
In terms of SANS 10252-1 what must be installed between the water heater and a galvanized safety tray;
What standard applies to the manufacture of geyser trays;
Is the following statement correct: The discharge pipe of a drip tray must be able to discharge to the outside of the building and must be in non visible position for aesthetic reasons?
In developing a rational design for a hot water heating system may the relevant safety and performance principles incorporated in SANS 10254 be compromised?
A hot water storage vessel must be manufactured in terms of SANS ……?
Fill in the correct word: The …………………… pressure of a domestic plumbing system may not exceed 600KPA
SANS 10254 makes reference to which compulsory standard?
In terms of SANS 10252-1 no flow control device shall be installed between …………………….
Is the following statement correct: A home owner or occupant of a household must be notified verbally of any non-compliance of there hot water heating system?
Is the following statement correct: A 400KPA rated geyser may be installed with out the use of a pressure control device if a storage tank is used that provides a contact head of pressure that does not exceed a static pressure of 800KPA?
SANS 10254 Annex B.2.2 relates specifically to the?
Which of the following statement is correct:
SANS 10254; 5.4 makes reference to
SANS 10254 4.3.3 makes specific reference to ……?
In terms of SANS 10254 which section covers the criteria for the installation of a drip tray?
To save costs on the plumbing installation the following discharge pipes may be joined together:
The expansion and relief discharge pipes can be interconnected if the following is carried out
True or False: The pressure rating of the valves in a hot water heating system must always exceed that of the rated pressure of the geyser?
True or False: Only metallic pipe may used as a discharge pipe for the expansion control valve?
True or False: A home or occupant does not need to be notified of any non compliance to the standard of a hot water heating system?
True or False: While the discharge point of the safety valve must be lead to the exterior of a building the expansion control valves discharge can be discharge into the drip tray as the drip trays discharge is to the exterior?
True or False: Use of non certified type components and fittings is allowed in the assembly of a hot water heating system?
True or False: As a qualified plumber I may work on the electrical wiring system of the geyser?
True or False: The pressure rating of the valves in a hot water heating system may be less than the rated pressure of the geyser?
True or False: The pressure rating of geyser must always be equal or less than the rated pressure of valves?
True or False: All components must be matched in terms of the pressure rating of the system?
True or False: 10254 covers water heaters that fall within the scope of SANS 151?
True or False: The delievery pressure to water mixing components do not need to be balanced?
True or False: Only metallic pipe may used as a discharge pipe for the safety valve?
True or False: All ancillary components of the geyser such as the pressure regulating valve and vacuum breakers do not have to be installed over the drip tray, if applicable?
In terms of SANS 10254 5.8 an expansion control valve installed on a cold water supply to a hot
water cylinder shall be positioned ………………… of an isolating valve
True or False: Drip trays are required for an over basin installation?
True or False: The end of open-outlet vent shall always be threaded?
True or False: A 400KPA rated pressure regulating valve may be used on 600KPA rated geyser?