8.1 Name THREE effects of a lack of routine maintenance - NSC Mechanical Technology Welding and Metalwork - Question 8 - 2016 - Paper 1
Question 8
8.1 Name THREE effects of a lack of routine maintenance.
8.2 Name TWO subgroups of preventative maintenance.
8.3 Define the following properties of oils:
8.3.1 Po... show full transcript
Worked Solution & Example Answer:8.1 Name THREE effects of a lack of routine maintenance - NSC Mechanical Technology Welding and Metalwork - Question 8 - 2016 - Paper 1
Step 1
8.1 Name THREE effects of a lack of routine maintenance.
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Answer
Risk of injury or even death: Inadequate maintenance can lead to hazardous conditions that put operators at risk.
Financial loss due to damages: Failure to maintain equipment can result in serious failures, leading to costly repairs or replacements.
Decrease the lifespan of equipment: Neglecting routine maintenance can expedite wear and tear, shortening the useful life of machinery.
Step 2
8.2 Name TWO subgroups of preventative maintenance.
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Planned/scheduled maintenance: This involves regular, systematic maintenance activities scheduled proactively.
Condition-based maintenance: This subgroup focuses on monitoring equipment condition and performing maintenance only when necessary.
Step 3
8.3 Define the following properties of oils:
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8.3.1 Pour point: The lowest temperature at which a liquid remains pourable.
8.3.2 Flashpoint: The lowest temperature at which a liquid gives off vapor that can ignite.
Step 4
8.4 Why are belts on belt drives adjusted or replaced regularly?
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Regular adjustments or replacements of belts are necessary to avoid wear and tear, ensure the belts remain in a good condition, and prevent slippage or failure during operation.
Step 5
8.5 Why is cutting fluid used on the cutting tool during the machining processes on a centre lathe?
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Cutting fluid is essential to keep the cutting tool cool, prolong the life of the tool, wash away swarf or shavings, improve finish quality, and increase productivity.
Step 6
8.6 How are chain drives maintained?
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Chain drives are maintained by performing regular tasks such as:
Setting the tension: Ensuring the chain is properly tensioned to avoid slippage.
Correcting alignment: Making sure the chain is aligned correctly on the sprockets.
Cleaning the chain: Removing dirt and debris to ensure smooth operation.
Lubrication of parts: Regularly lubricating the chain and related components to minimize wear.
