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Att test 3 EXAM LATEST 2025 WITH CORRECT QUESTIONS AND DETAILED ANSWERS/ALREADY GRADED A+
Typology: Exams
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Henry - ANSWER-The basic unit of inductance Contracts - ANSWER-If the circuit current decreases, the magnetic field of an inductor Concentrate a magnetic field - ANSWER-The inductor is used to varies - ANSWER-The physical appearance of inductors
Print or color code - ANSWER-Inductors have the value of their inductive capacity by Air and iron - ANSWER-The common inductors are Copper - ANSWER-Which type of dielectric is not used in capacitors Fat ads and voltage - ANSWER-Capacitors are identified by which two values? Type of dielectric - ANSWER-Capacitors are commonly identified by their? Varies - ANSWER-The physical appearance of capacitors? secondary - ANSWER-The output of a transformer is taken from the?
Allow current in one direction - ANSWER-The purpose of a junction diode is to? closed switch - ANSWER-When forward biased, the diode acts as an? p-type - ANSWER-An ode is made from? one - ANSWER-How many diodes are in a half wave rectifier? Connect ac to dc - ANSWER-The purpose of a power supply is to? An out put is developed for the entire input waveform - ANSWER-The efficiency of a full wave rectifier is higher than a half wave rectifier because ?
Rectifier or filter - ANSWER-What is the probable fault if the input to the regulator/ current protection circuit of the regulator measured 0 volts? Core type - ANSWER-Inductors are commonly identified by their Capacitor leads - ANSWER-Which of the following is not a factor for setting the capacitance value Store an electrical charge - ANSWER-The capacitor is used to Aluminum - ANSWER-Which of the following is not a dielectric? Polarized - ANSWER-Electrolytic capacitors are?
Input 2 voltage is incorrect - ANSWER-Normally when the relay is energized, - ISU is present on the output contact, this time, the relay is energized, but 0 volts is present, possible fault? Bearing wear - ANSWER-What is normally found when measuring an air gap? Reed Switch - ANSWER-The liquid level float switch operates when water lifts an internal float, which activated the? Sensing devices, visual signals, switchboard panel - ANSWER-What components make up a basic alarm and safety and learning system? Direct current, dc voltage, electrical energy produces mechanical energy - ANSWER-The dc motor operates using?
There is no shiny field coil in a series field motor - ANSWER-A series field motor schematic has the shunt coil placed in parallel with? Electromagnet - ANSWER-When a schematic diagram shows a field coil, you instantly know the motor is? 2 - ANSWER-How many types of compound motors are there? The line voltage = the phase voltage - ANSWER-In a delta connected alternator? Stator Magnetic field - ANSWER-What generates rotor current in an ac conduction motor? synchronous - ANSWER-Which type of ac motor is used for large horsepower or special applications?
synchronous speed - shaft speed - ANSWER-What is slip speed? phase - ANSWER-An ac motor is a one, two or three _____________ motor performance test - ANSWER-What troubleshooting process locates hard to find problems? Visual inspection, operational check, performance test - ANSWER-Three troubleshooting phases? Switches and detectors - ANSWER-What is used to initiate alarms in the alarm safety and warning system?
standby - ANSWER-On an ic/sm alarm switchboard, to acknowledge an alarm condition, the mode Spector switch is placed in what position? lights - ANSWER-What is not a type of sensing device? Normal, alarm, trouble - ANSWER-What are the three basic circuit conditions? The shaft rotates a specific distance for each input - ANSWER-How does an incremental motor operate? Ac or dc - ANSWER-What type of pier is produced by a generator? Rotating machinery - ANSWER-A device that has a spinning shaft and uses electricity as the input or output is called what?
attraction and repulsion - ANSWER-What principle of magnetism do motors run on? The power source to the rotor is replaced in a generator w a load - ANSWER-What is the primary difference between a dc motor and a dc generator?
