Technician A says that a defective high-speed blower motor relay could prevent high speed blower operation, yet allow normal operation at lower speeds. Technician B says that a defective (open) blower motor resistor can prevent low-speed blower operation, yet permit normal high-speed operation. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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All of the following statements about DC brushless (DCBL) motors are true EXCEPT:
A. A typical DCBL motor is 85-90 percent efficient, and higher efficiencies have been produced. B. As a DCBL rotor turns, its permanent magnetic fields interact with the stator's electromagnetic fields. C. Magnetic attraction pulls the rotor along in its continuing rotation, causing torque output. D. Maximum torque production of a DCBL motor occurs immediately, from when it starts until about 3,000 rpm.
An alternate path of very low resistance in a circuit is called a(n) ____________________ circuit.
Fill in the blank(s) with the appropriate word(s).
Floriculture is the growing of flowers
Indicate whether the statement is true or false
In an ohmmeter, what is the other term used for finite resistance?
A. Total resistance B. Open circuit C. Zero resistance D. Closed circuit