NEW
Font size
WorksheetsEES 102 w10d2 quiz
Total questions: 11
Worksheet time: 6mins
Using the diagram below of a pilot model water heater, letter "G" represents
P.T Valve
thermocouple
pilot assembly
temperature adjustment
In the pilot assembly displayed below, Letter D is which part?
burner
thermocouple holder
air intake
orifice
Excessive sooting at the water heater is NOT caused by
improper burner alignment
a blockage in the burner tube
low propane pressure
a leak in the inner tank
Where is the proper location on a pilot model water heater valve to test the propane pressure?
at the main burner orifice
at the gas control pressure tap
at the pilot tubing
at the gas control pilot adjustment
the function of the ECO is to
control pressure
control flame height
protect from overheating
turn switch on
When bench testing a thermostat from a DSI water heater using a multimeter, the measurement taken at ambient temperature should indicate
120VAC
26 ohms
open contacts
closed contacts
An electric water heater does not heat and 120 volts is measured at the element with zero amp draw. The problem is likely
a faulty heating element
low propane pressure
a closed thermostat
a defective ECO
An electric water heater fails to operate. This is usually an indication of
improper AC voltage
an open ECO
undersized heating element
low DC voltage
Which of the following is NOT a function of the circuit board on an on-demand water heater?
sense flame from the electrode
send spark to the electrode
send voltage to the gas valve
shut off voltage to the thermostat
A propane appliance works fine with the slide-out extended but fails to light with the slide-out retracted. the problem is likely
the propane detector
low gas pressure
a kinked rubber gas line
a faulty appliance
To eliminate a rotten egg odor from a water heater
flush and clean the tank
use baking soda
replace the inner tank
replace the bypass valves
