To detect the amount of liquid or air flow, a ____must be used.
A. turbine
B. pressure switch
C. transducer
D. flow switch
Answer: C
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Maximum torque is developed when the stator and rotor flux are ____ with each other.
a. in phase b. 90 degrees out of phase c. 180 degrees out of phase d. 270 degrees out of phase
Which of the following are not true of the process of capitalization?
a. Assets with higher returns logically have a higher value. b. Capitalization can be into cows. c. The effect of capitalization is to make it more difficult for new farmers to enter agriculture. d. Capitalization can be into land. e. All of the above are true.
When replacing motor capacitors technicians should be sure the new capacitor is rated within what percentage of the original?
A) 25% B) 10% C) 15% D) Any replacement will suffice.
Which of the following is a benefit derived from using a pulsewidth-modulated (PWM) variable frequency
drive (VFD) versus an analog SCR VFD? a. Controlled starting b. Reduced problems with harmonics c. Adjustable torque limiting d. Adjustable operating speed