22 BASIC PRINCIPLES OF PLUMBING
EXAM QUESTIONS AND ANSWERS
Principle no.12 - Answer-Vent terminals shall extend to the outer air and be installed to
preempt clogging and the return of foul air to the
building
Principle no.13 - Answer-Plumbing systems shall be subjected to such tests to
effectively disclose all leaks and defects in the workmanship.
Principle no.14 - Answer-No substance which will clog the pipes, produce explosive
mixtures, destroy the pipes or their joints or interfere
Principle no.15 - Answer-Proper protection shall be provided to prevent contamination
of food, water, sterile goods and similar materials
by backflow of sewage. When necessary, the fixture, device or appliance shall be
connected indirectly with the building drainage system.
Principle no.16 - Answer-No water closet shall be located in a room or compartment
which is not properly lighted and ventilated.
Principle no.17 - Answer-If water closets or other plumbing fixtures are installed in
buildings where there is no sewer within a reasonable distance, suitable provision shall
be made for disposing of the building sewage by some accepted method of sewage
treatment and disposal, such as a septic tank .
Principle no.18 - Answer-Where a plumbing drainage system may be subject to
backflow of sewage, suitable provision shall be made to
prevent its overflow in the building .
Principle no.19 - Answer-Plumbing systems shall be maintained in serviceable condition
by Registered Master Plumbers.
Principle no.20 - Answer-All plumbing fixtures shall be install ed properly spaced, to be
accessible for their intended use.
Principle no.21 - Answer-Plumbing shall be installed by Registered Master Plumbers
with due regard to the preservation of the strength of
structural members and the prevention of damage to walls and othe r surfaces through
fixture usage
Principle no.22 - Answer-Sewage or other waste from a plumbing system which may be
deleterious (harmful/ toxic)to surface or sub -surface waters shall not be discharged into
the ground or into any waterway, unless first rendered inn ocuous through
EXAM QUESTIONS AND ANSWERS
Principle no.12 - Answer-Vent terminals shall extend to the outer air and be installed to
preempt clogging and the return of foul air to the
building
Principle no.13 - Answer-Plumbing systems shall be subjected to such tests to
effectively disclose all leaks and defects in the workmanship.
Principle no.14 - Answer-No substance which will clog the pipes, produce explosive
mixtures, destroy the pipes or their joints or interfere
Principle no.15 - Answer-Proper protection shall be provided to prevent contamination
of food, water, sterile goods and similar materials
by backflow of sewage. When necessary, the fixture, device or appliance shall be
connected indirectly with the building drainage system.
Principle no.16 - Answer-No water closet shall be located in a room or compartment
which is not properly lighted and ventilated.
Principle no.17 - Answer-If water closets or other plumbing fixtures are installed in
buildings where there is no sewer within a reasonable distance, suitable provision shall
be made for disposing of the building sewage by some accepted method of sewage
treatment and disposal, such as a septic tank .
Principle no.18 - Answer-Where a plumbing drainage system may be subject to
backflow of sewage, suitable provision shall be made to
prevent its overflow in the building .
Principle no.19 - Answer-Plumbing systems shall be maintained in serviceable condition
by Registered Master Plumbers.
Principle no.20 - Answer-All plumbing fixtures shall be install ed properly spaced, to be
accessible for their intended use.
Principle no.21 - Answer-Plumbing shall be installed by Registered Master Plumbers
with due regard to the preservation of the strength of
structural members and the prevention of damage to walls and othe r surfaces through
fixture usage
Principle no.22 - Answer-Sewage or other waste from a plumbing system which may be
deleterious (harmful/ toxic)to surface or sub -surface waters shall not be discharged into
the ground or into any waterway, unless first rendered inn ocuous through
