1.Discuss the difference between VOM, DMM, clamp meter and oscilloscope? And explain each?

2. Write hand tools used to tighten or loosen bolts or nuts?
3. Write at least 5 general OHS you have to consider when using soldering iron?
4. List the basic preventive maintenance of measuring/test equipment?
5. What is the meaning and difference between job and work?
6. How do you prepare specification and prepare some specification sample in your way? Write the benefits of implementing sort of activity?
8. What are the reasons for the accumulation of unnecessary items in a workshop?
9. What are red-tag holding areas and explain the types?
10. List at least seven items that are considered as unnecessary and name places where unnecessary items are accumulated?
11. Write the three main types Signboard strategy and explain each?
12. Writes the procedures of Set in order implements?
13. What are the steps/procedures for implementing shine?
14. List the steps of inspection
15. how do you detect abnormality in a workplace or machine?

1. VOM (Volt-Ohm-Meter): It is a multimeter that can be used to measure voltage, resistance, and current. It usually has a dial or buttons to select the desired measurement and displays the value on a digital or analog screen.

DMM (Digital Multi-Meter): It is a digital version of VOM that provides more accurate measurements. It has a digital display and offers additional features like auto-ranging, frequency measurement, and capacitance measurement.

Clamp meter: It is a specialized type of multimeter that can measure current by clamping around a conductor. It is useful for measuring current in live circuits without breaking the connection.

Oscilloscope: It is a device for visualizing electrical signals in the form of waveforms. It displays voltage over time and can be used to analyze the shape, frequency, and amplitude of a signal.

2. Hand tools used to tighten or loosen bolts or nuts include:

- Wrenches: These come in various sizes and types such as open-end wrenches, adjustable wrenches, socket wrenches, and combination wrenches.
- Screwdrivers: They are used to tighten or loosen screws and come in different types like flathead, Phillips head, and Torx.
- Pliers: They can be used to hold or twist nuts, bolts, or wires.
- Allen keys (hex keys): They are L-shaped tools used for tightening or loosening hexagonal socket screws.
- Ratchets and sockets: A ratchet is used to apply torque to a bolt or nut, and sockets of different sizes can be attached to it.

3. General OHS (Occupational Health and Safety) considerations when using a soldering iron:

- Ensure proper ventilation to prevent inhalation of fumes.
- Use personal protective equipment, such as safety glasses or goggles and heat-resistant gloves.
- Keep the work area clean and organized to minimize fire hazards.
- Never touch the hot soldering iron tip with bare hands to avoid burns.
- Disconnect the power supply when not in use to prevent accidents.
- Handle the soldering iron with care to avoid electrical shocks.
- Store soldering equipment in a safe place after use to prevent injuries.

4. Basic preventive maintenance of measuring/test equipment:

- Regular calibration and adjustment to ensure accurate measurements.
- Cleaning and dusting to maintain optimal performance.
- Inspection of cables, connectors, and probes for damage.
- Checking and replacing batteries as needed.
- Storing equipment in a suitable environment to prevent damage from temperature or humidity.
- Regularly updating firmware or software to ensure proper functioning.

5. Meaning and difference between job and work:

- Job refers to specific employment or tasks performed for monetary or occupational purposes. It is usually associated with a professional role or position in an organization.
- Work, on the other hand, has a broader meaning and can include any tasks, activities, or efforts that contribute to a goal or result. It can be done in various settings, including personal, volunteer, or non-profit ventures.

6. Preparation of specifications and specifying sample:

- Determine the purpose and requirements of the specification.
- Research and gather information about the desired features, materials, or performance criteria.
- Clearly define the technical details, measurements, and standards to be met.
- Include any special instructions, restrictions, or limitations.
- Provide examples or reference materials to illustrate the desired specifications.
- Review and revise the specification document as necessary.

Benefits of implementing specification activities include ensuring clarity and consistency in project requirements, facilitating communication between stakeholders, reducing misunderstandings or disputes, and enabling better planning and execution of tasks.

8. Reasons for the accumulation of unnecessary items in a workshop:

- Lack of organization and storage systems.
- Failure to regularly sort and discard unused or obsolete items.
- Hoarding mentality or attachment to items with sentimental value.
- Lack of awareness or training on proper inventory management.
- Insufficient space or inadequate storage solutions.

9. Red-tag holding areas and types:

Red-tag holding areas are designated spaces where items deemed unnecessary or obsolete are temporarily stored before a decision is made about their disposal. The different types include:

- Red-tag area: A designated physical location where red-tagged items are visually stored to identify them as potentially unnecessary.
- Virtual red-tag area: An electronic system or database where information about red-tagged items is recorded and tracked.
- Quarantine area: A separate space where red-tagged items are stored to prevent accidental use before the final decision is made.

10. Seven examples of unnecessary items and places where they accumulate:

- Broken or damaged equipment: Equipment storage area or maintenance room.
- Outdated documents or manuals: File cabinets or document storage areas.
- Unused or duplicate tools: Toolboxes or workbench drawers.
- Expired chemicals or substances: Storage cabinets for hazardous materials.
- Defective or expired inventory: Warehouse or stockroom shelves.
- Obsolete or redundant electronic devices: IT department storage or server rooms.
- Unneeded office supplies: Desk drawers or stationery storage areas.

11. Three main types of signboard strategies:

- Visual ID signs: These signs provide essential information about a specific location, item, or activity. They are typically used to improve navigation, safety, and identification in workplaces or public areas.
- Instructional signs: These signs provide guidelines, warnings, or instructions to individuals. They are used to ensure compliance with safety regulations or to communicate specific actions or precautions.
- Warning signs: These signs are used to alert individuals of potential hazards, dangers, or risks. They are designed to promote caution and prevent accidents or injuries.

12. Procedures for implementing set in order:

- Assess the current state of the workplace or area to identify areas of improvement.
- Sort and classify items based on usage frequency, importance, or value.
- Determine the optimal storage locations and design appropriate storage systems.
- Implement visual management techniques such as labels, color-coding, or signboards.
- Arrange items according to their designated locations and ensure accessibility and ease of use.
- Train and educate employees on the new layout and organization to maintain consistency.

13. Steps/procedures for implementing shine:

- Remove all unnecessary items from the workplace.
- Clean and sanitize surfaces, equipment, and tools.
- Conduct regular inspections to identify and address cleanliness issues.
- Develop a cleaning schedule or checklist to ensure regular maintenance.
- Train and educate employees on proper cleaning techniques and responsibilities.
- Encourage a culture of cleanliness and personal accountability.

14. Steps of inspection:

- Identify the specific object or area to be inspected.
- Determine the inspection criteria or standards to be used.
- Prepare the necessary inspection tools or equipment.
- Conduct a visual inspection and observe for any abnormalities or deviations from the criteria.
- Document and record the inspection findings, including any observations or recommendations.
- Analyze the collected data and decide on any corrective actions or further investigations.

15. Methods to detect abnormalities in a workplace or machine:

- Regular monitoring and inspection: Conducting routine checks or inspections to identify any deviations or abnormalities from the normal operating conditions.
- Analysis of data or performance metrics: Analyzing data and metrics collected from machines or systems to detect any irregular patterns or variations.
- Observing visual cues: Paying attention to any visual changes or signs of malfunction, such as unusual sounds, smells, vibrations, or leaks.
- Using diagnostic tools or sensors: Employing specialized tools or sensors that can measure and detect abnormalities in specific parameters or performance indicators.
- Training and empowering employees: Encouraging employees to report any anomalies or concerns they notice during their daily work and providing them with the resources to do so.