Question

we do not recommend testing inaccessible bathtub overflows because
it takes too long to fill the tub to the overflow
these systems are used regularly and problems would show up below
overflows often leak when tested
overflows are integral with drain stoppers and leaks will flow into the tailpiece of the fixture
overflows are optional equipment not required on bathtubs

question 29
what is the most common leakage point in a ceramic shower stall?
at the escutcheon plate
at the door sill
at the base
at the shower nozzle
at the soap dish

Explanation:

1. For the first question, inaccessible bathtub overflows are not recommended to be tested because overflows often leak when tested. The other options are not the main reasons.
2. For the second question, in a ceramic shower - stall, the most common leakage point is at the base due to water accumulation and potential cracks or improper sealing at the floor - wall junction.

Answer:

1. overflows often leak when tested
2. at the base