If the main gas valve of a standing pilot gas furnace is not energized and allowing gas to flow to the main burner, you should suspect that ________.
A) the fan switch is open, the fan is faulty, or the filter may be dirty
B) the pilot flame is not established, the thermocouple is faulty, or the coil in the gas valve is open
C) the heat anticipator of the thermostat is set incorrectly
Question 2
The correct way to discharge a capacitor is:
A) To connect 240 V AC to the terminals.
B) To short across the terminals with a screwdriver.
C) To touch both ends of an 18 gauge wire across the terminals.
D) To touch both ends of a 20 k, 5 W resistor across the terminals.
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Coolant flow through a typical engine cooling system.
When the thermostat opens, the coolant can flow to the radiator.
An overall view of the four-cylinder engine that is due for a scheduled valve adjustment according ...
Two ways of treating blocked coronary arteries, the main cause of heart attacks in older adults.
The large, white flowers of giant saguaro cactus (Carnegiea gigantea) produce sweet nectar. The flow