Answer the following statement(s) true (T) or false (F)
1. Electric heating resistors are generally made from a special type of wire called nickel.
2. People often employ light bulbs as small heaters to protect well pumps during periods of cold weather.
3. Wire wound resistors generally have the ohmic value and power rating written on the resistor.
4. Resistors in sizes ranging from 8 to 20 watts generally have their values marked with bands of color.
5. A variable resistor is a resistor whose values can be modified over a range.
1. FALSE
2. TRUE
3. TRUE
4. FALSE
5. TRUE
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A closed, compression expansion tank with an air/water interface needs to be located according to what guidelines? Select all that apply.
A) Connected above the air separator. B) At the lowest pressure point of the system. C) Above the highest point in the system.
A(n) __________________ is a building with many individually owned living areas or units
Fill in the blank(s) with the appropriate word(s).The subsequent problems deal with the circuit below where all voltage sources are dc and the circuit is assumed to be in steady state. Also, R1 = R2 = R3 = R4 = R.
The voltage across R4 is
A. V1 ? V2 + V3 B. ?V2 + V3 C. V2 D. V1 + V2 ? V3 E. V2 ? V3
Where do most harvest losses occur?
A. during a heavy rainstorm just prior to harvest B. during transit to the storage facility C. when wind and hail hit just before harvest D. at the gathering unit