The output frequency of the alternator is determined by the speed of the ____________________.
Fill in the blank(s) with the appropriate word(s).
rotor
You might also like to view...
Full udders can weigh as much as 80 pounds.
Answer the following statement true (T) or false (F)
When a diode is forward biased it is ________
A) similar to an open switch B) conducting current C) blocking current D) similar to a closed switch E) both B and D
A ladder ____ is used to lower a rescuer into a trench or manhole.
a. gin b. tripod c. frame d. anchor
Answer the following statement(s) true (T) or false (F)
1. If properly designed, a closed-loop hydronic system should rid itself of most air within a few days of initial start-up. 2. The oxygen that causes corrosion is the same oxygen that forms water molecules. 3. Circulators transfer maximum head energy to incompressible fluids (e.g., liquids). A mixture of water and air is an example of an incompressible fluid. 4. Air has much lower specific heat and density than water. 5. Circulators with internal spring-load check valves installed in vertical piping with upward flow are especially susceptible to air pockets.