In a circuit for controlling a four-speed, three phase consequent pole motor, how is any speed selected?
Fill in the blank(s) with the appropriate word(s).
The control permits any speed to be selected by pushing the button that initiates that particular speed.
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Answer the following statement(s) true (T) or false (F)
1. Sequential function chart (SFC) programming is a method of programming that is similar to designing a flowchart of your process. 2. In a sequential function chart, you program steps and transitions that are arranged like a flowchart and when executed, control your system in a proscribed order. 3. An SFC program has linear, concurrent, and looping branch sequences to control the execution of your steps. 4. A selection branch is indicated by parallel horizontal lines at the top and bottom of the branch. 5. If a transition is true, the SFC program goes to the next step; otherwise, it repeats the step above it.
El talón de un codo _____.
a. está en la parte trasera del codo b. está en el interior del codo c. está en el lateral del codo d. no está en el codo
The horsepower of an electric motor is found with the formula hp = 6.2832T (rpm)/33,000, where hp equals horsepower, T = torque in pound-feet (lb-ft), and rpm = revolutions per minute. Solve for T when hp = 2.0, and rpm = 2300. Round the answer to 2 decimal places.
Fill in the blank(s) with the appropriate word(s).
When lowering a vehicle, _______
A) First engage the safety locks B) Lower the vehicle slowly and make sure it remains stable C) Both A and B D) Neither A nor B