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It specifies the exam’s reference focus areas: electrical theory, electronics theory, power and current transformer topics, and electrical drawings. 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This is a closed book test and calculators are allowed. You will be provided with a Texas Instruments TI-30Xa calculator which must be used at the test session.  \nReference Materials  \nETT test contains questions on the following:  \n􀁸 electrical theory  \n􀁸 power and current transformers  \n􀁸 electronics theory 􀁸 electrical drawings  \nA general reference book is always invaluable as a supplement to other textbooks from classes or specific subjects, and as an instrument for general review in preparing for qualifying tests. Additional resources for improving understanding of the concepts listed above may be found at your local libraries and bookstores.  \nWe hope you find this information helpful. Make sure that when you are scheduled to take the test you are physically and mentally alert and ready to do your best, or you should reschedule your appointment.  \nPacific Gas and Electric Company wishes you the best of luck in qualifying on our test.  \nPage 2  \n5/25/2016  \nSample Questions  \nAttachment 1 contains sample questions for the person to have some idea of what to expect. It, by no means, is a complete test and is only a tool for the person to determine how much preparation is needed.  \nMaterials Covered on the Test  \n1. Electrical Theory-19 questions  \na. Properties of DC and AC voltage, current, and power  \nb. The AC sine wave  \nc. AC voltage and current polarities  \nd. AC conversions of rms, peak, and peak-to-peak voltages  \ne. Math prefixes and symbols, such as mega, kilo, milli, and micro  \nf. Convert cycles to seconds or visa versa  \ng. Electrical units of measurement, such as resistance measured in units of ohms  \nh. Ohm’s law, Kirchhoff’s current law, and Kirchhoff’s voltage law  \ni. Motor efficiency  \nj. Sizing resistors for electrical circuits  \nk. Series and parallel circuit operation  \nl. Open or short circuit symptoms  \nm. Effects caused by inductance and capacitance  \nn. Phase displacement between AC voltage and current in inductive or capacitive circuit  \no. True power (W), apparent power (VA) , reactive power (VAR), and power factor (%)  \np. Voltage and current calculations for either a wye or delta system  \nq. Phase matching (phasing) of three-phase circuits  \n2. Electronics-8 questions  \na. The properties and operating principle of a diode  \nb. Operational tests for a diode  \nc. Half and full wave rectification circuit connections and operation  \nd. Diode ratings and replacement values  \ne. Rectifier filter construction and operation  \nf. Soldering  \ng. Basic logic gates symbols and operation, including the exclusive OR gate  \n3. Power and Current Transformers-9 questions  \na. Transformer theory and operation  \nb. Transformer operating losses ( hysteresis, eddy currents, and copper losses)  \nc. Single-line symbols for three-phase transformer banks  \nPage 3  \n5/25/2016  \nd. Three-phase transformer bank power, primary current, and secondary current calculations using nameplate values  \ne. Transformer primary and secondary connections (internal and external)  \nf. Transformer polarity and insulation tests  \ng. Current transformer (CT) theory and operation  \nh. Multi-ratio (tapped) CT’s  \ni. Safety precautions working with CT’s  \nj. Wye system operation with connected meters and relays  \nk. CT ratings and classifications  \nl. CT burden  \nm. Polarity markings  \n4. Electrical Drawings-4 questions  \na. Clapper or plunger relays with associated contacts  \nb. Schematic diagram interpretation  \nPage 4  \n5/25/2016  \nAttachment 1  \nSample Questions  \n1. In the spaces provided, write the following conversions:  \na. 10,050 􀀺 =  k􀀺  \nb. 12.47 kV =   V  \nc. 0.123 A =   mA  \nd. 10.6 Mw =  w  \n2. Circle the correct statement that describes what happens to a circuit with 3 resistors connected in parallel when one of the resistors is ","cbCaijBtt1HUsJ9S","https://ap.wps.com/l/cbCaijBtt1HUsJ9S","pdf",3172144,"English","# About the Test\n# Reference Materials\n# Sample Questions\n## Materials Covered on the Test\n### Electrical Theory\n### Electronics\n### Power and Current Transformers\n### Electrical Drawings\n# Attachment 1: Sample Questions","[{\"question\":\"How many questions and how much time is allowed for the ETT test?\",\"answer\":\"The ETT test has 40 questions with a maximum time limit of three hours.\"},{\"question\":\"Can the ETT test be taken with reference materials or calculators?\",\"answer\":\"It is a closed-book test, but calculators are allowed. A TI-30Xa calculator is provided for use during the test session.\"},{\"question\":\"Which topics are covered on the ETT test?\",\"answer\":\"The test covers electrical theory, electronics theory, power and current transformers, and electrical drawings.\"}]","Apprentice Electrical Technician Test (ETT) Preparation Guide | PDF",1790524861]