Northeastern Apprenticeship and Training (NEAT) 3-1 Practice Test

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• What does the electrical industry demand from its workers?
• What is a skilled tradesperson who has completed a prescribed apprenticeship in a particular craft called?
• For what application are electrolytic capacitors typically used?
• The partnership formed by the IBEW and NECA primarily focuses on?
• What is the recommended rule of thumb for where to install a capacitor?
• In a wye connected system, what is the voltage from tip to tip between the lines known as?
• What is the nameplate primary voltage rating when transformers are banked in a wye on a 12.5-kilovolt, 4-wire circuit?
• What is a key goal of salting in relation to unorganized workers?
• What effect does reactive power required by inductive loads have on suppliers?
• What is the average percentage of benefits provided to employees compared to their non-overtime wage?
• What is the primary purpose of Economic Development Committees?
• What identifies the transformer with the grounded neutral connected to the X2 terminal?
• Why are nonpolarized capacitors preferred for AC applications?
• What does an individual require to have true purpose in their work?
• Which organization primarily focuses on membership education and training?
• When a circuit has a substantial part of its impedance consisting of capacitive reactance, what type of current is observed?
• What percentage change in current occurs when charging a capacitor during each time constant?
• Which capacitor is more suitable for applications requiring high voltage but lower capacity?
• What is the value of one coulomb in terms of electrons?
• What is an effect of a dielectric being punctured in a capacitor?
• What are three personal characteristics developed during an apprenticeship?
• What advantage does the open delta secondary have over the closed delta secondary when supplying a 120/240 single-phase load?
• What aspect of employment often includes healthcare, retirement, and other benefits?
• Approximately how many time constants does it take to charge or discharge a capacitor fully?
• How can public image at the local level be enhanced?
• What is the average value of a pure AC sine wave?
• Approximately how many people are employed in construction in the United States?
• In a capacitor, the number of interactions is always?
• What is a common characteristic of union-based apprenticeships?
• What is the bank capacity percentage of total nameplate capacity in an open wye-open wye bank?
• Which condition is necessary for a capacitor to charge properly?
• What type of electrical system is being discussed in the context of isolating and testing transformers?
• When current flows through an inductive load, what is its relationship with the voltage?
• In a situation where a transformer fails, what percentage of the load must be carried by the remaining transformers in an open wye-open wye bank?
• What is the proper name for a vector when used in electrical drawings?
• Which type of capacitor has a larger capacity for its size?
• Who is accountable for upholding the requirements of the bargaining agreement?
• How does the spacing of conductors affect inductance?
• What percentage of the membership typically attends Union meetings?
• In a typical single-phase transformer delivering 120/240 volts, which coil leads are connected to the X2 terminal?
• AC capacitors voltage rating is based on which voltage value?
• The formula (kVA × 1,000) ÷ (line-to-line voltage × 1.73) is used to calculate what parameter?
• When a capacitor is installed in an electrical system, in which direction does the voltage boost occur?
• What can happen if a capacitor is not properly installed in relation to voltage drop?
• What condition is expected when a circuit has equal portions of impedance from both inductive and capacitive reactance?
• What term is used to identify the 208-volt conductor?
• Which system is the most popular distribution voltage in use?
• What is the easiest method to calculate the total load on an open wye-open delta bank?
• When does current in a capacitor move?
• In a circuit with a significant portion of its impedance made up of inductive reactance, what can be expected regarding the power factor?
• What is the primary consideration when calculating job cost?
• Polarized capacitors are used primarily in which type of circuits?
• What happens to the inductance when a conductor is wound into a coil and placed on an iron core?
• In a delta system, how does line current relate to phase current?
• What does inductance in distribution circuits primarily contribute to?
• What are the two displacements associated with a wye-delta connection?
• What measures the number of cycles occurring in one second?
• What is the purpose of having a resistor placed between the bushing leads in distribution capacitors?
• What percentage of skilled crafts workers are employed in the construction industry in the United States?
• Which of the following factors does NOT affect the capacitance of a capacitor?
• Which elements are essential for performing as a Journeyman Electrical Worker?
• What is one disadvantage of oil filled capacitors compared to electrolytic capacitors in similar sizes?
• In a 3-phase transformer bank, testing should ideally be performed under what kind of conditions?
• What is considered the single most important tool in an organizing program?
• What percentage of transformers installed in North America are single-phase transformers for a 120/240-volt service?
• How much more power does a 3-phase motor deliver compared to a single-phase motor of the same size?
• In a DC circuit, what is the total current multiplied by the total voltage referred to as?
• When a capacitor charges and discharges during each time constant, by what percentage does the voltage change toward the fully-charged state?
• What two qualities are essential for success in today's marketplace?
• What term is defined as "the state of being held in high esteem"?
• Which type of capacitor allows for adjustment of the distance between plates?
• What should remain connected to maintain capacity in an open wye-open wye setup after a transformer failure?
• How many times the highest crew member's wage are initial equipment costs, fuel costs, and maintenance costs typically averaged?
• What is the opposition to the flow of current in an AC circuit due to inductance called?
• What are the two main types of capacitors commonly used in commercial applications?
• What effect does connecting an out-of-phase generator into a power grid have?
• What has historically been the best source for training craft workers?
• What does the term 'RMS Value' refer to in AC circuits?
• What is often necessary for effective organizing in the construction industry?
• What is considered the greatest resource for successful organizing?
• What is the ratio of true power to apparent power commonly referred to as?
• What is the term for the angular displacement between adjacent voltages?
• How much of the single-phase 120/240 volt load does the lighter carry?
• The frequency of an AC signal is inversely related to which property?
• What is the process of inducing a voltage in a conductor through a magnetic field called?
• Which of the following is NOT a typical sign of a failing transformer?
• When should capacitors not be energized or de-energized?
• What is the primary purpose of series connected capacitors?
• To supply 480-volt, 3-phase power with transformer secondary coils banked in a wye configuration, what should the transformer secondary voltage ratings be?
• What do capacitors oppose a change in?
• What is the term for the total current multiplied by the total voltage in an AC circuit?
• Why is on-the-job training viewed positively in apprenticeships?
• What term describes the induced voltage in a coil that opposes the original voltage?
• What is one criteria that the apprenticeship committee considers about an applicant before selection?
• What is the most effective method for addressing nonunion jobs?
• When a transformer is connected to an AC source, what limits the current?
• Which condition signifies that a circuit is purely resistive?
• If 20 volts AC is connected to a coil, what type of current results compared to 20 volts DC?
• True or False: Transformers with primary windings in a delta configuration can only be connected to delta 3-wire primary circuits.
• In an AC circuit, when does current flow into a capacitor?
• The voltage across a wye connected transformer coil is what fraction of the line-to-line voltage on the wye system?
• Which of the following tasks can a capacitor perform?
• What is necessary for the development of personal pride?
• What program raises awareness of socio-economic issues among IBEW members?
• What material are the plates on a capacitor typically made from?
• What term refers to the ability of a magnetic field to induce voltage in a conductor?
• What is the primary reason to check the transformer nameplate after identifying a bad transformer?
• Shunt capacitors are connected near which element to help reduce voltage drop?
• How long should one wait before trying to energize a capacitor again if proper contact was not initially made?
• What is a common effect of frequent motor starting on electrical systems?
• What does the term "salting" refer to in an organizing program?
• What role do trimmer type capacitors serve in circuits?
• How many newly-trained construction workers are predicted to be in demand in the next decade?
• What is the simplest and oldest type of distribution circuit?
• For a 347/600-volt, 3-phase service, what must the secondary voltage rating of the transformers be?
• In a delta system, which two voltages are equivalent?
• Transformer current ratios are inversely proportional to what?
• What type of circuit condition results from a resistance dominating, with negligible reactance?
• The maximum current during the charging of a capacitor happens when the voltage is changing at what rate?
• What should be done to terminals of a capacitor when they are exposed to potential contact by people?
• Which factor is crucial in determining the testing frequency for transformers in a 3-phase bank?
• What is the term for the actual time it takes a sine wave to complete a full cycle?
• How is the capacity of an open bank of transformers compared to the combined capacity of a closed bank?
• What are capacitors designed for AC use called?
• Transformers larger than 50 kVA with two coils are constructed with how many secondary terminals?
• What allows a local Union to evaluate its jurisdiction?
• The average value of an AC sine wave is equal to what factor of its peak value?
• What configuration achieves a higher voltage rating in a single-phase transformer?
• Which factor significantly influences the overall effectiveness of a workforce?
• How long should a capacitor be allowed to discharge before grounding?
• What is the recommended action if a transformer is found to be malfunctioning?
• Which items are inherent to the status of a Journeyman Electrical Worker?
• What does the apprenticeship program emphasize about learning?
• In an open transformer bank, the capacity is reduced to what percentage of the combined KVA ratings?
• What effect does increasing the frequency have on inductive reactance?
• In an AC circuit, what primarily causes the phase difference between voltage and current?
• In a circuit with resistance alone, what is the relationship between current and voltage?
• What are capacitors connected in parallel in a distribution system called?
• True or False: In the construction industry, the products from one market compete with products from another market.
• What is the primary voltage rating option for transformers installed on a 4.16-kilovolt, 4-wire wye system?
• What type of load experiences a current that lags behind the voltage?
• In a wye connected system, how does line voltage relate to phase voltage?
• What must an apprentice use to qualify for ACE/electrical training ALLIANCE college credit recommendation?
• What safety precaution should be taken before testing individual transformers?
• Which formula is used to calculate inductive reactance?
• Which of the following statements is true regarding capacitors?
• How can the average value for an AC sine wave be calculated?
• The symbol for impedance in circuit theory is?
• Which of the following is a benefit of isolating transformers in a 3-phase bank?
• What might indicate a bad transformer during testing?
• How do capacitors store energy?
• As a supervisor, who must performance evaluations of the apprentices be reported to?
• The transformers on a wye-delta bank that are not grounded are called what?
• Which symbol is used to denote inductance in electrical engineering?
• What separates the two conducting surfaces in a capacitor?
• What is the unit of measurement for inductance?
• What happens to the capacitance if the area of the plates is increased?
• What issue can overloaded transformer banks cause for customers?
• How many steps are involved in isolating and testing each individual transformer to find a bad transformer in a 3-phase bank?
• If a faulted transformer is cleared and the remaining two transformers are connected in an open wye-open wye configuration, what percentage of the original bank's capacity does the new configuration have?
• What is the measurement for the opposition that a capacitive circuit presents to current flow?
• What is the role of a load break tool in relation to large capacitors?
• Which aspect is enhanced by participation in Economic Development Committees?
• What does the total power provided by each power pot consist of?
• To connect the secondary coils for series operation on a transformer with four secondary terminals, which terminals are joined with an external jumper?
• Which factor can be affected by the extent of the inductive or capacitive reactance in a circuit?
• Inductors oppose a change in which of the following?
• What does the acronym COMET stand for?
• In a transformer, what does the term "wild leg" refer to?
• Total or apparent power required by an inductive device consists of which components?
• A poly-phase electrical system having a 90° phase separation is classified as which type?
• Before becoming a classroom instructor, what position should one have previously served as?
• What should not influence the direction of an effective apprenticeship program?
• Calculating total bank load on a wye bank typically involves summing what?
• What is a common submultiple of a farad?
• When is maximum voltage generated in a loop of wire with respect to lines of flux?
• In AC circuit analysis, what does the term "lagging current" imply?
• What insulation material is commonly used in a typical distribution capacitor?
• When isolating transformers, which tool or equipment is primarily used to ensure safety?
• What are the two angular displacements for Delta transformer banks?
• What is a common reason for fluctuations in job costs?
• What is the primary characteristic of a coil of wire compared to a straight conductor?
• Why is it important to test each transformer individually rather than as a group?
• For transformers banked in the line-to-line delta configuration, how must the voltage rating of the transformers relate to the supply circuit?
• Which testing method is commonly used for inspecting insulation quality in transformers?
• What are the two angular displacements for Wye transformer banks?
• Transformers are additive at ratings that are what?
• The resistor connected to distribution capacitors is designed to fully dissipate stored charge in what duration?
• What is the voltage measured across a single winding or phase called?
• What must fixed capacitor banks be energized with?
• What is the voltage rating of a capacitor based on?
• What is the percentage increase in circuit capacity when converting a substation transformer from delta to wye?
• In the context of organizing workers, what does "identifying unorganized workers" imply?
• What effect does an increase in reactive and apparent power have on the power factor?
• What is the most efficient method for transmitting electricity over long distances?
• What unit is used to measure the time it takes to charge and discharge a capacitor?
• When current flows through a capacitive load, how does it relate to the voltage?
• In delta systems, the voltage across the windings is always what in relation to the line-to-line voltage?
• Which phenomenon reduces the efficiency of electrical transmission over long distances?
• What is the formula to find total kVA on a wye-wye bank?
• What are oil filled capacitors primarily used for?
• How is the total load on the lighter calculated?
• What type of training can members of the IBEW gain through the COMET Program?
• Which aspect of the construction industry is a major competitive difference from the manufacturing industry?
• What is the squaring effect when doubling the voltage?
• Who appoints the job steward in the apprenticeship program?
• How is the trade most commonly learned by apprentices?
• What is the primary voltage rating of a typical single-phase transformer?
• What was the first objective of the IBEW founders when they established their organization?
• Approximately how many employers are in the construction industry?
• What is the opposition to the flow of current in an AC circuit due to capacitance called?
• Doubling the load allows for distribution over how much distance?
• One farad is defined as?
• What happens to the voltage drop if the voltage on a line is doubled?
• What is a common initial step before beginning the testing of transformers?
• What happens when capacitors are connected in parallel?
• How much conducting material does a 3-phase line require compared to a single-phase line for the same power transmission?
• If the tank ground on a single bushing transformer breaks, what happens to the transformer?
• What fraction of the single-phase load is carried by each of the two power pots?
• In a wye circuit, the current flow is approximately what percentage less than in an equivalent delta circuit?
• What is the primary function of the secondary bushings in a transformer?
• What tool must be used when energizing or de-energizing large capacitors?
• What is the term for the maximum value of a sine wave called?
• What is the average field workforce size for construction employers?
• The implications of a faulted transformer on an open wye-open wye bank include which of the following?
• Classroom-related instruction is designed to teach what aspect of the trade?
• What is the primary goal of an apprenticeship program?
• What is the primary purpose of testing individual transformers in a 3-phase bank?
• What symbol represents reactance in electrical circuit notation?
• Which of the following factors affects the capacity of a circuit?
• Customers with an inductive load and a power factor of less than what percentage are typically charged a penalty fee?
• When calculating the total bank load on a wye bank, what is the best approach?
• Apparent Power is primarily measured in which of the following units?
• What does the grounded primary neutral of an open wye-open delta transformer bank carry?
• What percentage of job cost is typically attributed to labor?
• When is the current through a charging capacitor at its maximum?
• In an AC circuit, what are the components of opposition to current flow?
• In the process of organizing, what is one of the hardest challenges faced?
• Oil filled capacitors typically have a lower capacity compared to electrolytic capacitors, but they possess a higher?
• What is the most commonly used voltage system in the country?
• What role does age play in the apprenticeship application process?
• Capacitors that help to improve the overall stability of an electrical system are typically placed where?
• What type of technology is a switched capacitor categorized under?
• What is essential for achieving superior performance in a job?
• The 210 degree displacement in a wye-delta connection is referred to as what?
• Transformers with power ratings over what value typically have four secondary bushings?
• What unit measures electric current in a circuit?
• For accurate budgeting, it's crucial to account for which potential expenses?
• System operators can exert more control over the power factor when capacitor banks are installed in what location?
• How can the capacity of distribution circuits be increased?
• After identifying a bad transformer in a 3-phase bank, how many things should be checked on the nameplate?
• Which factor is considered when selecting the dielectric material for a capacitor?
• What benefit does salting provide to unorganized workers?
• What unit measures the ability to store electrical charge in a circuit?
• What is the unit of measure for capacitor power noted on nameplates?
• What is the impact on the power factor if reactive power increases significantly in a system?
• Which term describes a circuit's ability to store an electrical charge?
• When the circuit is balanced, all the energy released by the inductor is absorbed by which component?
• Which factor significantly contributes to the high completion rate of apprenticeships in IBEW/NECA?
• How is inductive reactance expressed in an AC circuit?
• What task is NOT typically associated with a capacitor?
• Which formula is used to calculate the power factor in an AC circuit?
• What is a significant advantage of rolled plates in a capacitor?
• What percentage of those indentured successfully complete their apprenticeship and become Journeymen Electrical Workers?
• Which of the following is essential for a successful apprenticeship?
• What is the total opposition to the flow of current in an AC circuit known as?
• What is the primary coil rating for transformers with nameplate voltages of 4800/8320?
• What would be the effect of a break in the tank ground on a transformer?
• The required kilovolt-amperes supplied to account for reactive power comes from which type of loads?
• What is a characteristic of a transformer with secondary coils connected in series?
• What is a unique aspect of obtaining educational training in the craft?
• What role does insulation testing play when diagnosing a transformer?
• Which capacitor type is likely to be used when space is a constraint but higher capacity is desired?
• What is the relationship between line current and winding current in a delta system?
• If B phase lags A phase by 120°, how much does C phase lag A phase?