Electrostatic Discharge Trivia Quiz!

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Electrostatic Discharge Trivia Quiz! - Quiz

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Questions and Answers
  • 1. 

    Measures taken by all personnel who handle ESD Sensitive (ESDS) items will help prevent ESD _____ of electronic parts, assemblies, and equipment.

    • A.

      Loss

    • B.

      Tainting

    • C.

      Damage

    • D.

      Imperfections

    Correct Answer
    C. Damage
    Explanation
    The measures taken by all personnel who handle ESD Sensitive (ESDS) items will help prevent ESD damage of electronic parts, assemblies, and equipment. This means that these measures are put in place to ensure that electrostatic discharge does not cause harm or destruction to the electronic components.

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  • 2. 

    The discharge of ____ is considered ____ to today's electrical and electronic devices.

    • A.

      Atoms, destructive

    • B.

      Electrons, favorable

    • C.

      Stored current, essential

    • D.

      Voltage potential, dtrimental

    Correct Answer
    D. Voltage potential, dtrimental
    Explanation
    The discharge of voltage potential is considered detrimental to today's electrical and electronic devices. When there is a discharge of voltage potential, it can cause damage to the devices and disrupt their proper functioning. This is why it is important to have proper voltage regulation and protection mechanisms in place to prevent any detrimental effects on the devices.

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  • 3. 

    The component that produces X and Y coordinate data for the indicators is the ____. 

    • A.

      Fortification

    • B.

      Positioning

    • C.

      Installation

    • D.

      Storing

    Correct Answer
    C. Installation
    Explanation
    The component that produces X and Y coordinate data for the indicators is the installation. This implies that the installation is responsible for generating the necessary data for the indicators' X and Y coordinates. The other options, fortification, positioning, and storing, do not directly relate to the production of coordinate data for indicators.

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  • 4. 

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

    • A.

      Solidity

    • B.

      Strength

    • C.

      Stability

    • D.

      Durability

    Correct Answer
    D. Durability
    Explanation
    Damaging static discharges can have a negative impact on the durability of electronic communications equipment. Durability refers to the ability of something to withstand wear, pressure, or damage over time. In this context, it means that if static discharges occur, they can potentially cause damage to the electronic communications equipment, reducing its overall lifespan and reliability.

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  • 5. 

    What is a stored electrical charge at rest?

    • A.

      Static electricity

    • B.

      Electrical build

    • C.

      Electrical cling

    • D.

      Resting charge

    Correct Answer
    A. Static electricity
    Explanation
    Static electricity refers to the buildup of electric charge on an object at rest. It occurs when there is an imbalance of positive and negative charges on the surface of an object. This buildup of charge can cause objects to attract or repel each other without direct contact. Static electricity is commonly experienced when rubbing certain materials together or when walking on a carpet and then touching a metal object, resulting in a small shock.

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  • 6. 

    ESD charging is due to the transfer of ____ from within the body or from one body to another.

    • A.

      Atoms

    • B.

      Protons

    • C.

      Neutrons

    • D.

      Electrons

    Correct Answer
    D. Electrons
    Explanation
    ESD charging occurs when there is a transfer of electrons from within the body or from one body to another. Electrons are negatively charged particles that move within atoms. When there is a buildup or transfer of electrons, it can result in an imbalance of charges, leading to static electricity or ESD.

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  • 7. 

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

    • A.

      Surroundings

    • B.

      Properties

    • C.

      Attributes

    • D.

      Features

    Correct Answer
    B. 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. These properties determine how easily the substances can transfer and hold charge, which ultimately affects the amount of charge that can be accumulated.

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  • 8. 

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

    • A.

      Dry

    • B.

      Cold

    • C.

      Humid

    • D.

      Tropical

    Correct Answer
    A. Dry
    Explanation
    Static electricity is most common and at its highest levels in dry environments. This is because dry air does not contain much moisture, which means that there are fewer water molecules to conduct electricity. As a result, when objects rub against each other in a dry environment, the friction causes electrons to transfer from one object to another, creating a build-up of static electricity. In contrast, humid environments have more moisture in the air, which allows for better conduction of electricity, reducing the likelihood and intensity of static electricity.

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  • 9. 

    The electrical charges on two substances are ____ and ____ when rubbed together.

    • A.

      Different, compatible

    • B.

      Balanced, parallel

    • C.

      Matched, adverse

    • D.

      Equal, opposite

    Correct Answer
    D. Equal, opposite
    Explanation
    When two substances are rubbed together, the electrical charges on them become equal and opposite. This is because rubbing causes the transfer of electrons between the substances, resulting in one substance gaining electrons and becoming negatively charged, while the other loses electrons and becomes positively charged. Therefore, the correct answer is "equal, opposite."

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  • 10. 

    ____ and ____ are sources of static electricity.

    • A.

      Steel, tapes

    • B.

      Plexiglas, rubber

    • C.

      Cotton, fiberglass

    • D.

      Heat guns, blowers

    Correct Answer
    D. Heat guns, blowers
    Explanation
    Heat guns and blowers can generate static electricity due to the friction and movement of air particles. As air molecules rub against each other or against surfaces, electrons can be transferred, resulting in the build-up of static charge. Heat guns and blowers, which involve the movement of air at high speeds, can cause this friction and generate static electricity.

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  • 11. 

    Which of the following is NOT a typical source of static electricity?

    • A.

      Unfinished wood

    • B.

      Carpeted surfaces

    • C.

      Polyethylene bags

    • D.

      Common synthetic personnel garments

    Correct Answer
    A. Unfinished wood
    Explanation
    Unfinished wood is not a typical source of static electricity because it does not have the ability to generate or hold an electric charge. Unlike materials such as carpeted surfaces, polyethylene bags, and common synthetic personnel garments, unfinished wood does not have the necessary properties to create static electricity through friction or contact.

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  • 12. 

    What type of clothing is not static generating source?

    • A.

      Common synthetic personal garments

    • B.

      Synthetic shoe soles

    • C.

      Virgin wool

    • D.

      Cotton

    Correct Answer
    D. Cotton
    Explanation
    Cotton is not a static generating source because it is a natural fiber that does not accumulate or generate static electricity easily. Unlike synthetic materials, such as common synthetic personal garments and synthetic shoe soles, cotton does not have a tendency to create friction and build up static charge. Virgin wool, although a natural fiber like cotton, can generate static electricity due to its structure and properties. Therefore, among the given options, cotton is the only type of clothing that is not a static generating source.

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  • 13. 

    Thermal secondary breakdown, dielectric breakdown, ____, and bulk breakdown are some of the typical failure mechanisms

    • A.

      Metallization breakdown

    • B.

      Gaseous arch discharge

    • C.

      Surface discharge

    • D.

      Surface melt

    Correct Answer
    B. Gaseous arch discharge
    Explanation
    Gaseous arch discharge is a typical failure mechanism that can occur in electrical systems. This type of discharge happens when a high voltage causes a gas to ionize and create a conductive path, leading to a discharge of electrical energy. This discharge can cause damage to the system and result in failure. The other options, metallization breakdown, surface discharge, and surface melt, are also failure mechanisms, but they do not involve the ionization of a gas like gaseous arch discharge does.

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  • 14. 

    What failure mechanisms are energy dependent? 

    • A.

      Thermal secondary breakdown, metallization melt, and bulk breakdown

    • B.

      Gaseous arc discharge, thermal primary breakdown, and surface melt

    • C.

      Dielectric breakdown, surface discharge, gaseous arc breakdown

    • D.

      Surface breakdown, bulk melt, and metallization breakdown

    Correct Answer
    A. Thermal secondary breakdown, metallization melt, and bulk breakdown
    Explanation
    The failure mechanisms that are energy dependent are thermal secondary breakdown, metallization melt, and bulk breakdown. These mechanisms occur when the energy levels exceed a certain threshold, causing the breakdown of the material or component. Thermal secondary breakdown refers to the failure of a device due to excessive heat generated during operation. Metallization melt occurs when the metal components of a device melt under high energy conditions. Bulk breakdown refers to the failure of a material due to the breakdown of its bulk structure under high energy levels.

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  • 15. 

    The destruction mechanism of ____ results in a high leakage path around a junction.

    • A.

      Gaseous arc discharge

    • B.

      Surface breakdown

    • C.

      Metallization melt

    • D.

      Bulk breakdown

    Correct Answer
    B. Surface breakdown
    Explanation
    Surface breakdown refers to the breakdown of insulation or dielectric material on the surface, causing a high leakage path around a junction. This can occur due to various factors such as high voltage, contamination, or the presence of impurities on the surface. When surface breakdown occurs, it can lead to the formation of conductive paths and result in the destruction of the insulation or device.

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  • 16. 

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

    • A.

      Indirect, electromagnetic

    • B.

      Direct, electrostatic

    • C.

      Incidental, passive

    • D.

      Accidental, static

    Correct Answer
    B. 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 lead to damage if one object is more fragile or sensitive than the other. Electrostatic refers to the electric charge that builds up on objects, which can cause damage if discharged in an uncontrolled manner, such as through a spark. Therefore, both direct contact and the electrostatic field can potentially cause damage.

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  • 17. 

    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. 

    • A.

      Threshold, maximum

    • B.

      Highest, maximum

    • C.

      Ceiling, maximum

    • D.

      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 breakdown happens when the maximum electric field strength is reached, causing the dielectric to lose its insulating properties and conduct electricity.

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  • 18. 

    Current-caused failures primarily affect ____ devices.

    • A.

      Sensitivity

    • B.

      Volatile

    • C.

      Bipolar

    • D.

      Critical

    Correct Answer
    C. Bipolar
    Explanation
    Current-caused failures primarily affect bipolar devices. Bipolar devices are electronic components that use both electron and hole charge carriers. These devices are more susceptible to current-caused failures because they rely on the movement of both types of charge carriers to function properly. When excessive current flows through a bipolar device, it can cause overheating and damage to the device, leading to a failure. Therefore, bipolar devices are more sensitive to current-induced failures compared to other types of devices.

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  • 19. 

    What is the cause f most damage in film type resistor packages?

    • A.

      Voltage-induced failure

    • B.

      Current-induced failure

    • C.

      Humidity

    • D.

      Heat

    Correct Answer
    A. Voltage-induced failure
    Explanation
    Voltage-induced failure is the most common cause of damage in film type resistor packages. This occurs when the voltage applied to the resistor exceeds its maximum rating, leading to overheating and potential burnout of the resistor. Excessive voltage can cause the resistor to fail and disrupt the circuit it is a part of. Therefore, it is crucial to ensure that the voltage applied to film type resistors is within their specified limits to prevent damage and ensure proper functioning.

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  • 20. 

    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?

    • A.

      Latent

    • B.

      Detrimental

    • C.

      Intermittent

    • D.

      Catastrophic

    Correct Answer
    C. Intermittent
    Explanation
    Intermittent failure refers to the partial breakdown of an electronic part in an ESD sensitive item, which leads to low output or erroneous signals. This type of failure occurs sporadically, causing the item to sometimes function properly and other times produce incorrect results.

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  • 21. 

    Catastrophic failure is the ____ failure of electronic parts, assemblies, and equipment caused by static discharge.

    • A.

      Substantial

    • B.

      Limited

    • C.

      Partial

    • D.

      Total

    Correct Answer
    D. Total
    Explanation
    Catastrophic failure refers to the complete or total failure of electronic parts, assemblies, and equipment caused by static discharge. It implies that the failure is severe and irreversible, resulting in the complete breakdown or destruction of the electronic components.

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  • 22. 

    Latent failure of an ESD sensitive item is caused by ____ failure or breakdown, but not crucial at that specific moment to the operation of the device.

    • A.

      Substantial

    • B.

      Limited

    • C.

      Partial

    • D.

      Total

    Correct Answer
    C. Partial
    Explanation
    A latent failure of an ESD sensitive item is caused by a partial failure or breakdown, meaning that the item is not completely non-functional but still has some degree of failure. This failure may not be crucial at that specific moment to the operation of the device, but it can still pose a risk or lead to further issues in the future.

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  • 23. 

    ESD sensitive devices are defined as those devices with failure thresholds between ____ and ____ volts.

    • A.

      0, 8000

    • B.

      1, 8000

    • C.

      0, 16000

    • D.

      1, 16000

    Correct Answer
    C. 0, 16000
    Explanation
    ESD sensitive devices are defined as those devices with failure thresholds between 0 and 16000 volts. This means that these devices are susceptible to damage if exposed to electrostatic discharge (ESD) within this voltage range. It is crucial to handle and protect these devices properly to prevent any potential damage caused by ESD.

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  • 24. 

    What specifies which items within the Federal Supply Class (FSC) are ESDS?

    • A.

      NIIN

    • B.

      Group

    • C.

      Classification

    • D.

      Nomenclature

    Correct Answer
    D. Nomenclature
    Explanation
    The term "nomenclature" refers to a system of naming or classifying items. In the context of the question, it suggests that the nomenclature is what determines which items within the Federal Supply Class (FSC) are ESDS (Electrostatic Discharge Sensitive). Therefore, the correct answer is "nomenclature".

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  • 25. 

    Items are considered ESDS until the level of assembly or ____ is such that a complete electrostatic shield exists ____ the item or until which time it can be shown by testing that the ESDS item is protected from static voltages above 16,000 volts.

    • A.

      Case, with

    • B.

      Wrapping, near

    • C.

      Packaging, around

    • D.

      Covering, encircling

    Correct Answer
    C. Packaging, around
    Explanation
    Items are considered ESDS until the level of assembly or packaging is such that a complete electrostatic shield exists around the item or until which time it can be shown by testing that the ESDS item is protected from static voltages above 16,000 volts.

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  • 26. 

    Linear circuits with high  ____ and ____ inputs would also be highly suceptible along with RF amplifiersand other RF parts at the equiment level.

    • A.

      Current, analog

    • B.

      Voltage, digital

    • C.

      Impedance, gain

    • D.

      Frequency, logic level

    Correct Answer
    C. Impedance, gain
    Explanation
    Linear circuits with high impedance and gain inputs would also be highly susceptible along with RF amplifiers and other RF parts at the equipment level. This is because high impedance inputs are more sensitive to noise and interference, while high gain amplifies any noise or interference present in the circuit. Therefore, circuits with these characteristics are more prone to disturbances and can be easily affected by external factors.

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  • 27. 

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

    • A.

      Inventory, components

    • B.

      List, substance

    • C.

      Label, number

    • D.

      Material, type

    Correct Answer
    D. Material, type
    Explanation
    Most ESD susceptible parts and assemblies are clearly marked with information about their material and type. This helps in identifying the specific characteristics of the part or assembly, such as its composition and construction. This information is important for handling and storing these parts properly to prevent any damage from electrostatic discharge.

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  • 28. 

    Increasing the level of ____ will help alleviate existing ESD problems.

    • A.

      Lower

    • B.

      Relative

    • C.

      Absolute

    • D.

      Humidity

    Correct Answer
    D. Humidity
    Explanation
    Increasing the level of humidity can help alleviate existing electrostatic discharge (ESD) problems. ESD occurs when there is a buildup of static electricity on objects, which can cause damage to electronic components. By increasing humidity, the moisture in the air helps to dissipate the static charge, reducing the likelihood of ESD. This is because moisture in the air acts as a conductor, allowing the static charge to flow more easily and preventing it from building up on objects. Therefore, increasing humidity is an effective way to mitigate ESD problems.

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  • 29. 

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

    • A.

      Laden

    • B.

      Charged

    • C.

      Reactive

    • D.

      Sensitive

    Correct Answer
    D. Sensitive
    Explanation
    Components on PC boards can still be sensitive even when the leads are attached to the board. This means that these components can easily be affected or influenced by external factors such as changes in voltage or current. Being sensitive implies that they are responsive to these changes and may be more prone to damage or malfunction if not handled properly. Therefore, it is important to handle and work with these components with caution to avoid any potential issues.

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  • 30. 

    ESD sensitive items can be partially damamged or weakened by exposure to static charge levels as low as ____ percent of their susceptibility values. 

    • A.

      15

    • B.

      20

    • C.

      25

    • D.

      30

    Correct Answer
    C. 25
    Explanation
    ESD sensitive items can be partially damaged or weakened by exposure to static charge levels as low as 25 percent of their susceptibility values. This means that even a relatively low static charge can have a negative impact on the functionality and integrity of these items. It is important to handle and store ESD sensitive items with caution to prevent any potential damage caused by static electricity.

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  • 31. 

    Although walking across carpeted floors can create a much greater than normal static charge, flooring has the same damaging affect to ESD sensitive items.

    • A.

      Concrete

    • B.

      Laminate

    • C.

      Wood

    • D.

      Tile

    Correct Answer
    D. Tile
    Explanation
    Walking across carpeted floors can generate a significant static charge, but all types of flooring have the potential to damage ESD sensitive items. This means that even though walking on carpet may create a higher static charge, tile flooring can also cause damage to ESD sensitive items. Therefore, the correct answer is tile.

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  • 32. 

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

    • A.

      Control workstations

    • B.

      Work benches

    • C.

      Departments

    • D.

      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 means that these items should only be handled in designated areas specifically designed to prevent electrostatic discharge. Control workstations are equipped with ESD-safe materials and tools to minimize the risk of damaging sensitive electronic components. Handling ESDS items at control workstations ensures that proper precautions are taken to prevent electrostatic discharge and maintain the integrity of the items.

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  • 33. 

    When wrist straps are not feasible, where can personnel handle ESD items outside of the ESD protective packaging?

    • A.

      On a ESD flooring system

    • B.

      On a wooden table

    • C.

      In a faraday cage

    • D.

      On a work bench

    Correct Answer
    A. On a ESD flooring system
    Explanation
    Personnel can handle ESD items outside of the ESD protective packaging on an ESD flooring system. An ESD flooring system is designed to dissipate static electricity and prevent the build-up of electrostatic charges. This helps to protect ESD-sensitive items from damage caused by electrostatic discharge. By handling ESD items on an ESD flooring system, personnel can safely discharge any static electricity they may have accumulated, minimizing the risk of ESD damage.

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  • 34. 

    Personnel working at ESD Control workstations where circuit board, wiring board or module repair is done shall roll up their shirt sleeves above the ____ prior to and during repair, handling, or inspections of these items.

    • A.

      Elbow

    • B.

      Forearm

    • C.

      Shoulder

    • D.

      Mid bicep

    Correct Answer
    A. Elbow
    Explanation
    When working at ESD Control workstations where repair or handling of circuit boards, wiring boards, or modules is done, personnel are required to roll up their shirt sleeves above the elbow. This is necessary to prevent any potential contamination or damage to the items being worked on. Rolling up the sleeves above the elbow ensures that the entire forearm is exposed, allowing for easier movement and reducing the risk of accidentally touching or damaging the items. Rolling up the sleeves only to the forearm, shoulder, or mid bicep would not provide the same level of protection and access.

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  • 35. 

    Personnel removing or installing cables or conductive end-caps without ESD protective equipment must maintain contact ____ with the un-energized equipment/assembly chasis while removing and installing.

    • A.

      Separetely

    • B.

      Exclusive

    • C.

      Independently

    • D.

      Simultaneously

    Correct Answer
    D. Simultaneously
    Explanation
    When removing or installing cables or conductive end-caps without ESD protective equipment, personnel must maintain contact simultaneously with the un-energized equipment/assembly chassis. This means that they need to ensure that they are in constant contact with the equipment/chassis at all times while performing these tasks. This is important to prevent the buildup of static electricity and potential damage to the equipment.

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  • 36. 

    ____ and non-charge generating materials shall be used as packaging materials.

    • A.

      Protective barrier

    • B.

      Cushioned pouch

    • C.

      Static shielding

    • D.

      Plastic barrier

    Correct Answer
    C. Static shielding
    Explanation
    Static shielding materials should be used as packaging materials to prevent the build-up and discharge of static electricity. These materials are designed to provide a barrier against electrostatic fields, protecting sensitive electronic components from damage. Non-charge generating materials, on the other hand, do not generate static electricity but may not provide the same level of protection as static shielding materials. Therefore, static shielding is the most appropriate choice for packaging materials in this context.

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  • 37. 

    In uniquely shaped or fragile assemblies with exposed ESDS parts are too fragile for transport in bags or pouches, then lidded ____ tote boxes with non-corrosive conductive foam interiors shall be used.

    • A.

      Metallic

    • B.

      Ceramic

    • C.

      Dissipative

    • D.

      Conductive

    Correct Answer
    D. Conductive
    Explanation
    In situations where assemblies are uniquely shaped or fragile and have exposed ESDS parts that cannot be transported in bags or pouches, it is necessary to use lidded conductive tote boxes with non-corrosive conductive foam interiors. Conductive materials are able to effectively dissipate electrostatic charges, ensuring that the ESDS parts are protected from potential damage. Therefore, the use of conductive tote boxes is the appropriate choice in such cases.

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  • 38. 

    ESD marking procedures shall be utilized on all ESDS items, ____, ESD packaging materials and on ESDS items in storage cabinets and bins.

    • A.

      Option 1

    • B.

      Wrapping

    • C.

      Memorandums

    • D.

      Procedural documentation

    Correct Answer
    D. Procedural documentation
    Explanation
    ESD marking procedures should be used on all ESDS items, ESD packaging materials, and on ESDS items in storage cabinets and bins. This means that procedural documentation should be followed to ensure that proper ESD marking procedures are implemented. This documentation would outline the specific steps and guidelines to be followed when marking ESDS items and packaging materials, ensuring that they are properly identified and handled to prevent electrostatic discharge. Wrapping and memorandums are not directly related to marking procedures, so they would not be the correct answer.

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  • 39. 

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

    • A.

      First plastic

    • B.

      Innermost

    • C.

      Outermost

    • D.

      Core

    Correct Answer
    C. Outermost
    Explanation
    When ESDS discrete parts, circuit boards, wiring boards, modules, and uniquely shaped items are packaged, the outermost bag will be marked on both sides with an ESD label. This is because the outermost bag is the one that is visible and accessible, making it important to clearly indicate that it is an ESD bag to ensure proper handling and protection of the sensitive electronic components inside.

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  • 40. 

    Type ____ shielding made to withsand any type of ESD generating field to include those generated from outside sources. 

    • A.

      I

    • B.

      II

    • C.

      III

    • D.

      IV

    Correct Answer
    A. I
  • 41. 

    Properly store ESD assets in ____ ESD storage cabinets and periodically inspect these ____ to help prevent ESD damage utilizing ESD control survey letters.

    • A.

      Validated, tote boxes

    • B.

      Authenticated, cabinets

    • C.

      Authorized, repositories

    • D.

      Certified, storage facilities

    Correct Answer
    D. Certified, storage facilities
    Explanation
    The correct answer is "certified, storage facilities". ESD (electrostatic discharge) assets should be stored in certified storage facilities to prevent ESD damage. Periodic inspections of these facilities should be conducted to ensure proper ESD control. The use of ESD control survey letters can help in the prevention of ESD damage.

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  • 42. 

    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 ESD items are inside.

    • A.

      Dicernible

    • B.

      On the left

    • C.

      Apparent

    • D.

      Visible

    Correct Answer
    D. Visible
    Explanation
    The correct answer is "visible". In order to ensure the safety of personnel approaching storage cabinets or parts bins containing ESDS items, it is important that the marking on the outside surface is easily seen or noticed. This visibility will serve as an alert to personnel that ESD items are inside, prompting them to take necessary precautions to prevent any damage or mishandling of these sensitive items.

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  • 43. 

    Cabinets that have been designated for ESDS storage should be properly grounded, tested, ____ placed on the shelves, and properly marked as an ESD certified sensitive item storage container.

    • A.

      Styrofoam

    • B.

      Rubber matting

    • C.

      Plastic boarding

    • D.

      Conductive matting

    Correct Answer
    D. Conductive matting
    Explanation
    Cabinets designated for ESDS storage need to be properly grounded, tested, and have conductive matting placed on the shelves. This is because conductive matting helps to dissipate any electrostatic charges that may build up and prevent damage to sensitive electronic components. Styrofoam, rubber matting, and plastic boarding are not conductive materials and would not provide the necessary protection against electrostatic discharge.

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  • 44. 

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

    • A.

      Labeled

    • B.

      Grounded

    • C.

      Esteblished

    • D.

      Constructed

    Correct Answer
    B. Grounded
    Explanation
    A properly grounded ESD work station is important because it prevents failure, injury, and damage of sensitive electronic items. Grounding ensures that any static electricity that builds up on the work station or the person working at it is safely discharged to the ground, rather than being transferred to the electronic items. This helps to protect the electronic items from damage caused by electrostatic discharge, which can be harmful to their sensitive components.

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  • 45. 

    The main purpose of having a common point ground system (CPGS) is to provide a single source of charge ____.

    • A.

      Dissipation

    • B.

      Extraction

    • C.

      Diversion

    • D.

      Filtering

    Correct Answer
    A. Dissipation
    Explanation
    The main purpose of having a common point ground system (CPGS) is to provide a single source of charge dissipation. This means that the CPGS is designed to effectively and efficiently disperse or dissipate any accumulated electrical charge, preventing it from causing damage or interference to sensitive electronic equipment. By providing a centralized grounding point, the CPGS ensures that any excess charge is safely and quickly discharged, protecting the equipment and maintaining a stable electrical environment.

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  • 46. 

    The ground connetion of ESD Control workstations, storge cabinets and floor systems shall be sufficient ____ strength to minimize the possibility of inadvertent ground disconnections.

    • A.

      Mechanical

    • B.

      Structural

    • C.

      Electrical

    • D.

      Magnetic

    Correct Answer
    A. Mechanical
    Explanation
    The ground connection of ESD control workstations, storage cabinets, and floor systems should be strong enough to minimize the chance of accidental ground disconnections. This means that the connection should be secure and stable, ensuring that it does not come loose or disconnect easily. This requirement is related to the mechanical strength of the ground connection rather than its structural, electrical, or magnetic properties.

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  • 47. 

    The ____ Static Control Workstation is a static control workstation in which the static dissipative work surface is built into the workbench itself.

    • A.

      Cushioned

    • B.

      Permanent

    • C.

      Portable

    • D.

      Rigid

    Correct Answer
    B. Permanent
    Explanation
    A permanent static control workstation refers to a workstation where the static dissipative work surface is permanently integrated into the workbench structure. This means that the work surface is not removable or portable, but rather a fixed part of the workstation. This type of workstation is designed to provide a long-lasting and reliable solution for controlling static electricity in a work environment.

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  • 48. 

    ____ is required at any static control worksation that does not utilize worksation monitor and ensures the wrist strap and work surface are tied to the same point electrically.

    • A.

      Bench top ionizers

    • B.

      Static dissipative gloves

    • C.

      Common point ground system

    • D.

      Grounded electrical equipment

    Correct Answer
    C. Common point ground system
    Explanation
    A common point ground system is required at any static control workstation that does not utilize a workstation monitor and ensures that the wrist strap and work surface are tied to the same point electrically. This system helps to prevent static electricity build-up and discharge by providing a common grounding point for both the worker and the work surface, ensuring that they are at the same electrical potential. This helps to protect sensitive electronic components and equipment from damage caused by electrostatic discharge.

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  • 49. 

    What protective device is a kit device containing a thin, foldable (approximately 22 inch by 24 inches) static dissipative work surface, an adjustable wrist strap cuff, a 10 ft. cord, and a common point ground system?

    • A.

      Permanent

    • B.

      Cushioned

    • C.

      Portable

    • D.

      Rigid

    Correct Answer
    C. Portable
    Explanation
    A portable protective device is a kit that includes a thin, foldable static dissipative work surface, an adjustable wrist strap cuff, a 10 ft. cord, and a common point ground system. This device can be easily carried and used in different locations, making it convenient for individuals who need to work in various environments while still maintaining a static-free workspace.

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  • 50. 

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

    • A.

      Static dissipative gloves

    • B.

      Static dissipative shoes

    • C.

      Personal wrist straps

    • D.

      Bench top ionizers

    Correct Answer
    C. 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 electronic components to prevent the buildup and discharge of static electricity. They are designed to safely and effectively ground the person wearing them, ensuring that any static charges are safely dissipated. By wearing wrist straps, the risk of damaging sensitive electronic components due to electrostatic discharge (ESD) is greatly reduced, making them a crucial tool for static control and prevention.

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