Quizes Mix Flashcards
1
Q
A powerpile should generate
A
750 milivolts
2
Q
At what height should the thermostat be mounted?
A
5’
3
Q
a powerpile has a/an _____ current reading
A
DC
4
Q
a thermocoupling has a/an _______ current reading
A
DC
5
Q
Which hydrocarbon fuel has the highest heat content?
A
Butane
6
Q
Which hydrocarbon does not evaporate well?
A
Butane
7
Q
Yellow in a fuel flame indicates the presence of
A
carbon monoxide
8
Q
The amount of air required for perfect combustion of 1 cubic foot of natural gas
A
10 cubic feet
9
Q
The combustion of propane produces max co2 level of about
A
13.9%
10
Q
Too much excess air will over-oxidize the flame and will produce
A
CO
10
Q
The combustion of methane produces max co2 level of about
A
11.7%
