WorksheetsREC 201 plumbing
Total questions: 15
Worksheet time: 8mins
The water hose to a fresh water system should be
marked for pressure capacity and /or limitations
marked for rv applicatins
marked for potable or drinking water
made of rubber
typically the most difficult task of repairing a fresh water tank is
locating the leak
removing the tank
obtaining the correct parts
finding the right epoxy
the only viable way to permanently repair a polyethylene water tank is by using
preassure
heat
vacuum
cement
which of the following is an acceptable method of permanetly repairing a cracked polyethylene fresh water tank
spin weld
plastic weld
two part epoxy
proflex
the non pressure water storage tank is permitted to be filled by the onboard city water system
if the tank's vent is equal to or larger than fil line
only on large Class A motorhomes
if city water pressure exceeds pump pressure
only on unregulated city water supplies
which is the following is NOT a component on a fresh water tank
baffles
vent opening
accumulator
drain opening
to sanitize a fresh water tank prepare a chlorine disinfection of the potable water system using
1 gallon of water and a 1/4 cup of household bleach
1 gallon of water and 1/2 cup of house hold bleach
1/2 cup of water and 1/4 cup of household bleach
1 cup of water to 1/4 cup of bleach
a fresh water system should be sanitized
with the water heater by passed
once a month
if water becomes contaminated
once a week
what is the most common cause for fresh water tank expansion
a restricted vent
crushed fill hose
blocked discharge line
mis positioned tank probe
a spouting fresh water gravity fill means that
the water heater is in the bypass position
there is improper venting
the water pump check valve is defective
the tank drain is open
technician A says that a backflow preventer is needed to protect the city water system from contamination Tech B says that the backflow preventer is needed to prevent water from running out when the city water is disconnected whicjh one is correct
Tech A
Tech B
both
neither
when inspecting the city water service connector you should see all of the following
mineral deposits
a T-bar assembly
check valve
a spring
when a customer complains about a water line vibration noise to the kitchen slide room only when the pump is running , one possible cause is
unsecured water distribution line
low battery voltage
excessive system pressure
a defective faucet
what causes intermittent hot and cold water at al faucets
bypass water heater
defective shower hose
open water heater bypass valve
water heater just turned on
the size of hose in a fresh water distribution system is determined by
the number of fixtures in the distribution system
the water pressure from the city water system
the run length from the coach to the city water connection
the size of the fresh water storage tank
