What is the formula that defines the power factor curve?
Fill in the blank(s) with the appropriate word(s).
The formula that defines the power factor curve is PF = R/Z.
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It is important that the plunger completes its stroke when the solenoid is energized. Otherwise, the current in the coil will be high, resulting in ____.
a. plunger slamming b. damage to the coil c. sluggish action d. increased loading
Which of the following describes a retroreflective scan?
a. The scanning method in which the light beam transmitted from the transmitter is reflected back to the receiver by the target to be detected b. The scanning method in which the target to be detected passes between the transmitter and receiver, interrupting the light beam c. The scanning method in which the receiver responds only to depolarized light reflected from a corner cube reflector or polarized sensitive tape d. The scanning method in which a target is detected as it passes between a photoelectric sensor and a reflector
Bees use a sticky gum called sap to seal and glue parts of the hive together
Indicate whether the statement is true or false
The symbol for a spot weld is ____.
A.
B.
C.
D.
