The Class B system, for initiating devices, connects through a two-wire circuit and _________.
A. Does not use an end of line device
B. Uses an end of line device
C. Is an outdated system no longer used in the United States
D. Uses a series limiting resistor
B. Uses an end of line device
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The acronym MPT associated with a fitting means that a _____.
a. pipe thread is cut at a medium pitch for the pipe size b. pipe thread is tapered c. male pipe thread is needed to make a connection d. pipe thread is male in gender
Why might women be more prone to suffering from iron-deficient anemia than men?
A) Women require about 50% more heme units per hemoglobin. B) Hemoglobin molecules break down more readily in women. C) Women have approximately half as many iron reserves. D) The RBCs in women have a shorter lifespan. E) Women absorb less iron from their diet.
On non-servo designs, the secondary shoe is always larger than the primary shoe.
Answer the following statement true (T) or false (F)
When a contactor's coil is energized, how much resistance should be measured between terminal "L1" and terminal "T1"?
A. zero ohms B. 50-3000 ohms C. 5000-6000 ohms D. infinite