What is the control device used inside an electric A/C control actuator?
A) Solenoid
B) Electric motor
C) Vacuum motor
D) Linear divider
B) Electric motor
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Answer the following statement(s) true (T) or false (F)
1. The stator winding of the wound rotor induction motor is different from the stator of a squirrel-cage induction motor. 2. The slip rings permit the connection of external resistance to the rotor windings. 3. An advantage of the wound rotor motor is its high starting torque. 4. There is a single control method used to short out the steps of resistance when starting a wound rotor motor. 5. Testing the rotor of a wound rotor motor is very similar to testing the stator.
Wetlands are critical to the life cycle of many plants and animals
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1. Scouring is usually done in a lukewarm, mildly alkaline solution. 2. Finer wool fleeces tend to have lower yields than coarser wools. 3. Fiber diameter is a relatively unimportant element of wool quality. 4. The first U.S. grade standards for wool value were based entirely on visual appraisal of fiber diameter. 5. The Spinning Count System is the most recent, technical, and accurate measurement of fiber diameter.
When installing the grid in an exposed grid ceiling system, the last component to be installed is the _____
a. wall angle b. main runners c. cross runners (tees) d. hanger inserts