Question 30Electricity/Electronics - QMED70% to pass
What operational characteristic is associated with the illustrated manual starter circuit for a motor shown in figure "A"? Illustration EL-0023
AI Explanation
The correct answer is A) has no low voltage protection and the motor may be damaged if the voltage drops below a certain level.
The illustrated manual starter circuit for a motor shown in figure "A" does not incorporate any low voltage protection. This means that if the voltage supplied to the motor drops below a certain threshold, the motor will continue to run without any automatic shutdown or protection. This could potentially damage the motor if the voltage drops too low for an extended period of time. The other answer choices describe circuits that have some form of low voltage protection, which is not the case for the manual starter circuit shown in figure "A".
Related Questions
#28 What is the functional name of an electrical device which prevents simultaneous energization of loads thereby preventing damage or injury? #29 Which of the listed items will stop a motor due to a reduction in voltage and automatically restart it when the voltage is restored to normal? #31 A motor controller contains three selector push buttons labeled 'start', 'jog', and 'stop'. What will happen to the motor when the 'jog' button is depressed? #32 Which of the following illustrated manual motor starters represents the wiring diagram illustrated in figure "A"? Illustration EL-0023 #33 Why are motor controllers seldom troubled with grounds?