ESD Annual Refresher Training

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Quizzes Created: 3 | Total Attempts: 2,845
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  • 1/20 Questions

    Increasing the level of ____ will help alleviate existing ESD problems

    • Lower
    • Relative
    • Absolute
    • Humidity
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About This Quiz

The 'ESD Annual Refresher Training' quiz assesses knowledge on preventing damaging static discharges in electronic communications equipment. It covers static electricity concepts, environmental factors, and safety practices crucial for maintaining equipment durability and reliability.

ESD Annual Refresher Training - Quiz

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  • 2. 

    A properly ____ ESD work station is important because it prevents failure, injury, and damage of sensitive electronic items.

    • Labeled

    • Grounded

    • Established

    • Constructed

    Correct Answer
    A. Grounded
    Explanation
    A properly grounded ESD work station is important because it prevents failure, injury, and damage of sensitive electronic items. When a work station is grounded, it allows any static electricity that builds up on the surface to be safely discharged into the ground, rather than being transferred to the electronic items. This helps to eliminate the risk of electrostatic discharge, which can cause malfunctions or even permanent damage to sensitive electronics. Therefore, ensuring that the work station is grounded is crucial for maintaining the integrity and safety of electronic items.

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  • 3. 

    All storage cabinets or parts bins containing ESDS items shall be marked on an outside surface clearly ____ to personnel approaching the cabinet/bin alerting them that ESDS items are inside.

    • Discernible

    • On the left

    • Apparent

    • Visible

    Correct Answer
    A. Visible
    Explanation
    The correct answer is "visible". This means that the storage cabinets or parts bins should have a marking or indication that is easily seen or noticed by personnel approaching the cabinet or bin. This is important to alert them that ESDS (Electrostatic Discharge Sensitive) items are stored inside, so they can take appropriate precautions to prevent any damage to these sensitive items.

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  • 4. 

    ____ are the most important item for effective static control and prevention for handling ESD items.

    • Static dissipative gloves

    • Static dissipative shoes

    • Personal wrist straps

    • Bench top ionizers

    Correct Answer
    A. Personal wrist straps
    Explanation
    Personal wrist straps are the most important item for effective static control and prevention for handling ESD items. Wrist straps are worn by individuals working with ESD-sensitive devices or components to safely discharge any static electricity that may have built up on their body. This helps to prevent damage to the sensitive electronic equipment and ensures that the static charge is safely grounded. Personal wrist straps are a crucial tool in maintaining a static-free environment and protecting ESD-sensitive items.

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  • 5. 

    The main purpose of having a Common Ground System (CPGS) is to provide a single source of charge ____.

    • Dissipation

    • Extraction

    • Diversion

    • Filtering

    Correct Answer
    A. Dissipation
    Explanation
    The main purpose of having a Common Ground System (CPGS) is to provide a single source of charge dissipation. This means that the CPGS is designed to safely and efficiently dissipate or release any excess charge or electrical energy in order to prevent damage or malfunctioning of the system. By providing a centralized and reliable method of charge dissipation, the CPGS ensures that all connected devices and components are protected and operate effectively.

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  • 6. 

    What kind of environment is static electricity most common and its highest level?

    • Dry

    • Cold

    • Humid

    • Tropical

    Correct Answer
    A. Dry
    Explanation
    Static electricity is most common in dry environments. In such conditions, the air has low humidity, which means it has a low moisture content. This lack of moisture allows for the buildup of static charges on surfaces and objects. The highest level of static electricity is also typically observed in dry environments because the absence of moisture facilitates the accumulation and discharge of static charges more readily.

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  • 7. 

    When ESDS discrete parts, circuit boards, wiring boards, modules, and uniquely shaped items are packaged, the ____ bag will be marked on both sides with an ESD label.

    • First plastic

    • Innermost

    • Outermost

    • Core

    Correct Answer
    A. Outermost
    Explanation
    The correct answer is "outermost" because when packaging ESDS (Electrostatic Discharge Sensitive) items, it is important to ensure that the outermost bag is marked with an ESD label. This helps to clearly indicate that the contents of the bag are sensitive to electrostatic discharge and need to be handled with caution to prevent damage. The outermost bag acts as a protective layer for the items inside, and marking it with an ESD label helps to communicate this information to anyone handling the package.

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  • 8. 

    What is a stored electrical charge at rest?

    • Static electricity

    • Electrical build

    • Electrical cling

    • Resting charge

    Correct Answer
    A. Static electricity
    Explanation
    Static electricity refers to the accumulation of electric charges on the surface of an object. It occurs when there is an imbalance of positive and negative charges, causing them to be attracted to each other. This stored electrical charge remains at rest until it is discharged through a conductor or by coming into contact with another object with a different charge. Therefore, static electricity is the correct answer as it accurately describes the phenomenon of a stored electrical charge at rest.

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  • 9. 

    What will measure the impedance between neutral and the equipment ground conductors to verify the integrity of the ground point?

    • Test kit A

    • Air velocity

    • Charged plate monitor

    • Ground impedance and utility wiring verification meter

    Correct Answer
    A. Ground impedance and utility wiring verification meter
    Explanation
    A ground impedance and utility wiring verification meter is used to measure the impedance between the neutral and the equipment ground conductors. This measurement helps to verify the integrity of the ground point by ensuring that the impedance is within acceptable limits. This is important for safety reasons as a low impedance ensures that any fault currents are properly grounded, protecting both the equipment and the individuals using it.

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  • 10. 

    Damage can be caused by ____ contact or by the ____ field associated with charged items.

    • Indirect, electromagnetic

    • Direct, electrostatic

    • Incidental, passive

    • Accidental, static

    Correct Answer
    A. Direct, electrostatic
    Explanation
    Damage can be caused by direct contact or by the electrostatic field associated with charged items. Direct contact refers to physical contact between objects, which can cause damage through impact or friction. Electrostatic refers to the buildup of static electricity on objects, which can cause damage through electrical discharge or interference. Therefore, direct contact and the electrostatic field are both potential causes of damage.

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  • 11. 

    Dielectric breakdown occurs when the ____ or ____ electric field strength of the dielectric medium is reached and bonded electrons within the medium break free and flow within the dielectric.

    • Threshold, maximum

    • Highest, maximum

    • Ceiling, maximum

    • Lowest, minimum

    Correct Answer
    A. Threshold, maximum
    Explanation
    Dielectric breakdown occurs when the threshold electric field strength of the dielectric medium is reached. At this point, the bonded electrons within the medium break free and flow within the dielectric. This phenomenon happens when the maximum electric field strength is applied to the dielectric, causing the electrons to overcome the forces holding them in place.

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  • 12. 

    ESDS items shall only be handled outside of ESD protective packaging or non-protective packaging materials at ESD ___.

    • Control workstations

    • Work benches

    • Departments

    • Facilities

    Correct Answer
    A. Control workstations
    Explanation
    ESDS items should only be handled outside of ESD protective packaging or non-protective packaging materials at ESD control workstations. This suggests that control workstations are equipped with the necessary measures to prevent electrostatic discharge and protect the ESDS items. Handling these items at work benches, departments, or facilities that may not have the same level of ESD protection could result in damage to the items. Therefore, it is important to handle ESDS items only at designated control workstations to ensure their safety.

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  • 13. 

    Damaging static discharges could affect the quality, ____, reliability of electronic communications equipment.

    • Solidity

    • Strenth

    • Stability

    • Durability

    Correct Answer
    A. Durability
    Explanation
    Damaging static discharges could affect the quality, stability, and reliability of electronic communications equipment. Static discharges can cause damage to the delicate components of electronic equipment, leading to malfunctions or complete failure. The durability of the equipment is crucial in protecting it from such discharges and ensuring its long-term functionality and performance.

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  • 14. 

    The quantity of charge accumulated is dependent on the size, shape, composition, and electrical ____ of the substances making up the charging and insulated bodies.

    • Surroundings

    • Properties

    • Attributes

    • Features

    Correct Answer
    A. Properties
    Explanation
    The quantity of charge accumulated is dependent on the size, shape, composition, and electrical properties of the substances making up the charging and insulated bodies. The properties of the substances determine how easily they can accumulate or transfer charge. For example, materials with high electrical conductivity will allow charge to flow more easily, while insulators will resist the flow of charge. Therefore, understanding the electrical properties of the substances involved is crucial in determining the quantity of charge that can be accumulated.

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  • 15. 

    ESD test equipment verifies ____ of ESD control products.

    • Physical condition

    • Electrical integrity

    • Static discharge

    • Personal usage

    Correct Answer
    A. Electrical integrity
    Explanation
    ESD test equipment is used to verify the electrical integrity of ESD control products. This means that the equipment checks if the ESD control products are functioning properly and effectively in preventing electrostatic discharge. It ensures that the products are able to dissipate static electricity and protect sensitive electronic components from damage. By testing the electrical integrity, the equipment ensures that the ESD control products are reliable and meet the necessary standards for ESD protection.

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  • 16. 

    Components on PC boards are still current and voltage ____ even when the leads are attached to the board.

    • Laden

    • Charged

    • Reactive

    • Sensitive

    Correct Answer
    A. Sensitive
    Explanation
    Components on PC boards can still be sensitive to current and voltage even when their leads are attached to the board. This means that the components can still be affected by changes in current and voltage, and may be responsive or reactive to these changes.

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  • 17. 

    Most ESD susceptible parts and assemblies are clearly marked, either on the packaging ____ or the part ____.

    • Inventory, components

    • List, substance

    • Label, number

    • Material, type

    Correct Answer
    A. Material, type
    Explanation
    ESD susceptible parts and assemblies are marked with information about their material and type. This helps in identifying and handling them correctly to prevent any damage from electrostatic discharge. The marking can be found either on the packaging or directly on the part itself. This information is crucial for proper inventory management and ensuring that the right components are used in the assembly process.

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  • 18. 

    What failure is the partial electronic part breakdown of an ESD sensitive item and generally causes the item to give low output or other erroneous signals?

    • Latent

    • Detrimental

    • Intermittent

    • Catastrophic

    Correct Answer
    A. Intermittent
    Explanation
    Intermittent failure refers to the partial electronic breakdown of an ESD sensitive item, which can result in low output or other erroneous signals. This type of failure occurs sporadically and unpredictably, making it difficult to identify and troubleshoot. Unlike catastrophic failure, which causes complete malfunction, intermittent failure only affects the item temporarily, causing intermittent issues. Therefore, the correct answer for this question is "intermittent."

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  • 19. 

    Linear circuits with high ____ and ____ inputs would also be highly susceptible along with RF amplifiers and other RF  parts at the equipment level.

    • Current, analog

    • Voltage, digital

    • Impedance, gain

    • Frequency, logic level

    Correct Answer
    A. Impedance, gain
    Explanation
    Linear circuits with high impedance and gain inputs would be highly susceptible to interference, as high impedance allows for easy coupling of external signals, while high gain amplifies these signals. This makes them vulnerable to noise and other disturbances that can degrade the performance of the circuit. RF amplifiers and other RF parts at the equipment level are also susceptible to interference due to their sensitivity to high-frequency signals.

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  • 20. 

    Current-caused failures primarily affect ____ devices.

    • Sensitive

    • Volatile

    • Bipolar

    • Critical

    Correct Answer
    A. Bipolar
    Explanation
    Current-caused failures primarily affect bipolar devices. Bipolar devices, such as bipolar junction transistors (BJTs), are more susceptible to current-induced failures compared to other types of devices. This is because bipolar devices rely on both electron and hole currents for their operation. Excessive current flow can lead to overheating and damage to the device, causing it to fail. Therefore, bipolar devices need to be carefully designed and protected to prevent current-induced failures.

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Quiz Review Timeline (Updated): Jan 31, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jan 31, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 13, 2018
    Quiz Created by
    EdTaps
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