Answer the following statement(s) true (T) or false (F)
1. Some of the controls on an oil-fired heating system are basically the same as the controls on a gas-fired system.
2. The primary control controls the major operation of an oil-fired heating system.
3. A gun-type oil furnace is ignited by an electric arc.
4. The CAD cell changes its resistance in accordance with the amount of light to which it is exposed.
5. When the CAD cell is in darkness, its resistance will decrease to about 50 ohms.
1. TRUE
2. TRUE
3. TRUE
4. TRUE
5. FALSE
You might also like to view...
If the damage to an edge connector goes into the nickel, or even worse, down to the copper, a galvanic action takes place between the metals resulting in ____________________ ending up on top of the finger.
Fill in the blank(s) with the appropriate word(s).
Which of these is a reason to use insulation?
a. Reinforcing a structure b. Concealing a finish c. To provide a decorative finish d. Reducing noise
In general, the proper temperature for vegetative propagation during daylight hours is between ____ and ____ degrees F
a. 5, 10 c. 60, 70 b. 10, 70 d. 70, 80
Alternating current frequency is measured in:
A) Watts. B) Amps. C) Volts. D) Hertz.