Why do some gas furnaces NOT require an electrical power supply? ...

[burton19126]

Why do some gas furnaces NOT require an electrical power supply?
 
  A) No gas furnaces require electricity; they operate on gas.
  B) They are ignited and extinguished manually with no thermostatic control.
  C) The gas valve is operated with the voltage generated by the thermopile safety.
  D) Once lighted, they never shut off.

Question 2

Three broad categories of fuel gases are:
 
  A) Low pressure, high pressure, and very high pressure.
  B) Organic, inorganic, and mixed.
  C) Natural, manufactured, and liquified petroleum.
  D) Hydrocarbon gas, carbon-free gas, and hybrid gas.

[Anna]

Answer to Question 1

C

Answer to Question 2

C

[burton19126]

TYSM

[aliotak]

Thanks for the timely response, appreciate it