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IT Fundamentals
Block 1 Unit 2 - Mar 2023
| Question | Answer |
|---|---|
| What are the three main functions of grounding? | 1. Personal safety 2. Equipment 3. Functions (6) *Note: Numbers in parenthesis on each card represent the page number within the 'Block 1 Consolidated Unit Review' Packet. i.e. (6) = page 6 |
| What are the three subsystems of the facility ground system? | 1. Earth electrode, 2. Fault protection 3. Signal reference (7) |
| What facility ground subsystem is also known as the safety ground? | Fault protection subsystem (8) |
| What is bonding? | The establishment of low-impeding path between two metal surfaces (10) |
| What does the term bond refer to? | Mechanical interface between joined conductors, and bonding straps used to interconnect two separate conductors (10) |
| What are two types of bonding? | 1. Direct (permanent and semi-permanent) 2. Indirect (11) |
| Corrosion can occur in ______ metals. | Unlike |
| What is ESD caused by? | Buildup of electrical charge (static electricity) suddenly transfered from surface to surface when they touch (18) |
| Another name for static electricity or electricity at rest is _______________. | Triboelectricity (19) |
| What type of ESD failure results in a total failure of the component or assembly? | Catastrophic (19) |
| What type of ESD failure has happened when the component appears to be operating normally but may experience premature failure? | Latent (delayed) (19) |
| What are the three primary control measures for the ESD program? | 1. Workstation/Personnel Grounding 2. Handling Precautions 3. Protective packaging (20-22) |
| What is the best method for controlling electrostatic discharge across an ESDS device? | Prevent the buildup of the charge (21) |
| Before removing an ESDS circuit card from equipment, the technician will | Be at same potential as the equipment (21) |
| When working with electrostatic discharge sensitive devices, which of the following statements is TRUE? a. Wear clothing made of nylon. b. Always handle ESDS items by their leads. c. Ensure all hand tools are properly grounded prior to use. d. Remove | c. Ensure all hand tools are properly grounded prior to use. |
| How do you identify a package that requires special ESDS handling? | They have a special caution label (22) |
| How can you control the buildup of static and/or its discharge during shipping? | 1. ESDS Packaging and shielding 2. be at ground potential (23) |
| List some of the things that physical security requirements for a facility are dependent upon? | 1. Type and level of info 2. Type of equipment 3. Mission of the unit 4. Duty hours (25) |
| List and define the three limited access areas. | 1. Control area 2. Restricted area 3. No-lone zone (26-27) |
| What is your main role when it comes to facility security? | Use common sense (27) |
| ________________measures include the use of proven systems and technologies designed to deter, detect, report and react against threats. | Active (28) |
| The use of hedges or ditches around a building, bright lighting and limiting the number of entrances to a building are examples of _________________ measures. | Passive (29) |
| Which AF publication series covers all safety topics? | 91-Series (30) |
| Which AF publication outlines Communications Electronics Systems Safety? | AFM 91-203 Air Force Occupational Safety, Fire and Health Standards (30) |
| Safety is the responsibility of _______________________________________. | Everyone |
Created by:
merrellm
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