OSSF INSTALLER 2 FINAL PAPER 2026 QUESTIONS WITH FULL SOLUTION

OSSF INSTALLER 2 FINAL PAPER 2026
QUESTIONS WITH FULL SOLUTION


◉ Lots served by individual wells should be a minimum of
________acre in size for a septic tank system. Answer: one acre


◉ Lots served by a public water supply should be a minimum of
_______ acre in size for installation of a septic tank system. Answer:
one - half


◉ When minimum lot size cannot be met , an on site system must be
designed by a _______ or a _________. Answer: Pro engineer or a Pro
Sanitarian


◉ When evaluating a topography site _________and potential for
________are key considerations. Answer: Slope floodind


◉ A major reason for wastewater system failure is
a homeowner waste
b . inadequate planning
c . hydraulic overloading
d . oils grease and fats. Answer: c . hydraulic overloading grease

, ◉ The size of OSSF systems are normally based upon the
a . lot size
b . soil profile
c . hydraulic loading
d . homeowner's preference. Answer: c . hydraulic loading


◉ Some malfunctioning OSSF systems can be made to function
properly with minimal cost by implementing. Answer: Water


◉ The first step in reducing the wastewater load is. Answer:
Elimination of leaks


◉ List four water - saving plumbing devices that can be used in a
home. Answer: Reduce flow shower head
Faucet aerators
Reduce flow faucet
Pressure reducinh valves


◉ Identify four water saving living habits homeowners should
adopt. Answer: Waiting for full loads before running clothes or
dishwashers