CETA REVIEW REVISION 2024

2018 - answersCET-a When did the CET certification program begin? - answers1965 When did ETA initiate Certification Maintenance? - answers1996 All ETA Certification categories require the passage of the Associate CET examination - True or False? - answersFalse To qualify for MASTER CET, the examinee must attain a score of 85% on each separate exam - True or False? - answersFalse, the examinee must obtain a 75% An associate CET cannot attempt one of the specialty examinations - True or False? - answersFalse Master CET status is lifetime and does not require certification maintenance - True or False? - answersTrue The Journeyman level: a. denotes competency in one specialized area. b. requires 75% passing. c. requires 2 years of work or school. d. all of the above - answersd. all of the above Certification maintenance requires a payment of a fee and retesting or proving at least 40 hours of upgrade retraining within a four-year period - True or False? - answersTrue A worker may become certified by ETA as a CST (Computer Service Technician), without also becoming certified as a CET (Certified Electronics Technician) - True or False? - answersTrue The Associate CET exam may be taken after the Journeyman exam - True or False? - answersFalse B+, or supply voltage in electronics products, are considered to be: - answers+12 to 300 V DC Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metal parts should not exceed ______. - answers500 microamps Shaded components on electronics schematics mean what? - answersOnly exact replacement parts may be used Ingested solder fumes or particles _______. - answersAre toxic Second degree skin burns should _______. a. not be treated with ice and bandage pack b. be covered with thick bandages c. be treated with cold water or ice d. be treated by draining blisters - answersa. not be treated with ice and bandage pack Rules describing the fire or toxicity retardant types of cabling which may be installed in buildings is contained in ______. - answersNEC Article 770 ESD and static discharge is most destructive to ______. a. CMOS semiconductors b. TTL semiconductors c. Germanium PN junctions d. Silicon PN junctions - answersa. CMOS semiconductors If you have never received formal training and practiced CPR on a person or dummy, in the event of finding a fellow working not breathing you ______. a. should use what knowledge you have of the procedure and attempt it. b. should not attempt it but call for help. c. should attempt it after calling for help. d. should, if handy, read the instructions and attempt in order to save a life - answersb. should not attempt it, but call for help When working at heights above 6 feet, a ______ is required by OSHA rules. - answersFull body harness attached to a lanyard which prevents more than a 6' drop Residual voltage is associated with _______. a. Northern Lights b. Corona arcing from electrical generators c. charge retained by inductors d. charge retained by capacitors - answersd. charge retained by capacitors The atomic number of an element is the same as the element's atomic weight - True or False? - answersFalse An increase in voltage with resistance held constant causes current to _________. a. decrease b. increase twice the value of voltage c. increase d. none of the above - answersc. increase The ampere expresses ________. a. volts/sec increase b. a unit of charge movement per second past a given point c. coulombs/charge d. an increase in resistance - answersb. a unit of charge movement per second past a given point The total resistance of a parallel circuit containing equal branch resistances is found by the following: a. by adding all of the branch resistance values b. by taking the product of all the branch resistance values c. by dividing the resistance value of a branch by the number of branches d. the value cannot be found - answersc. by dividing the resistance value of a branch by the number of branches A 12 VDC power supply has a 15 ohm internal resistance. What load resistance can be connected to transfer maximum power? a. 15 ohms b. 20 ohms c. 10 ohms d. 5 ohms - answersa. 15 ohms Maximum power transfer occurs when the load impedance is equal to the source impedance - True or False? - answersTrue What will happen to the current through a resistor if the resistor value decreases? a. current increases b. current remains unchanged c. current decreases d. current and the voltage across the resistor increases - answersc. current decreases Which type of circuit has the same voltage drop across each component? a. parallel b. series-parallel c. series d. combination - answersa. parallel Total power in a series circuit is determined by the: a. source voltage times the current b. total voltage applied to the circuit c. current flowing through the switch d. average wattage rating of each resistor - answersa. source voltage times the current Which is the equivalent to 100 microamps? a. .1 milliamps b. 1 milliamps c. 10 milliamps d. 10 nanoamps - answersa. .1 milliamps A resistor _______. a. stores an electric charge b. is measured in coulombs c. in a circuit causes a voltage drop from one end of the resistor to the other end d. is dependent on lines of force - answersc. in a circuit causes a voltage drop from one end of the resistor to the other end 1 kΩ is the same as __________. a. 1 thousand ohms b. 1 thousandth of an ohm c. 10⁻² ohms d. 10000 ohms - answersa. 1 thousand ohms A resistor has color bands orange, red and brown. It is _____. a. 232 ohms b. 3.2 megohms c. 2.3 kohms d. 320 ohms - answersd. 320 ohms A circuit has one 500 ohm resistor in series with three 500 ohm resistors that are connected in parallel with each other. The total resistance would be ______. a. 666 ohms b. 167.7 ohms c. 750 ohms d. 1000 ohms - answersa. 666 ohms The voltage rating of a capacitor _______. a. must be factored into the reactance formula b. relates to the maximum voltage that should be applied to it c. is done by adding each of the capacitance can allow d. is the same as the power factor - answersb. relates to the maximum voltage that should be applied to it Calculating the total capacitance of several capacitors connected in parallel ___________. a. is not necessary as they are not used this way b. causes a need to consider inductance factors c. is done by adding each of the capacitance values d. is the same as the power factor - answersc. is done by adding each of the capacitance values Ferrite _________. a. is a capacitor dielectric b. is a common inductor core material c. is the most common resistor coating d. causes faulty saturation of inductors - answersb. is a common inductor core material The term Henry refers to ________. a. the inductive property of a coil b. the inventor of inductors c. reactance of LR circuits d. resonant frequency of tank circuits - answersa. the inductive property of a coil A certain transformer has 250 turns in the primary winding and 1250 turns in the secondary winding. The turns ratio is ______. a. 0.2 b. 2.5 c. 5 d. 0.5 - answersa. 0.2 When the turns ratio of a transformer is 10 and the primary AC voltage is 8V, the secondary voltage is ______. a. 80 volts b. 0.8 volts c. 8 volts d. 64 volts - answersb. 0.8 volts Which of these color code patterns is found on a 270Ω 5% resistor? a. Red, violet, brown, silver b. Red, violet, brown, gold c. Red, violet, black, silver d. Red, brown, black, silver - answersb. Red, violet, brown, gold One microfarad is equivalent to _______ picofarads. a. 10 b. 1000 c. 100,000 d. 1,000,000 - answersd. 1,000,000 The capacitance of a capacitor with 10µC of electric charge and 100V across its plates is ________. a. 0.1µF b. 10µF c. 1000µF d. 107µF - answersa. 0.1µF