3.1 Tools and equipment are very important to complete different tasks in the workplace - NSC Mechanical Technology Fitting and Machining - Question 3 - 2018 - Paper 1
Question 3
3.1 Tools and equipment are very important to complete different tasks in the workplace. Explain the function of EACH of the following testing equipment:
3.1.1 Fuel... show full transcript
Worked Solution & Example Answer:3.1 Tools and equipment are very important to complete different tasks in the workplace - NSC Mechanical Technology Fitting and Machining - Question 3 - 2018 - Paper 1
Step 1
3.1.1 Fuel pressure tester
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Answer
The fuel pressure tester is designed to assess the fuel operating pressure within the system and to monitor the fuel pressure in the fuel line that supplies the direct injection system. Accurate pressure readings are crucial for optimal engine performance.
Step 2
3.1.2 Torsion tester
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The torsion tester investigates the relationship between the torque applied to a material and its resultant torsional deflection. This helps in understanding the material properties and behavior under twisting forces.
Step 3
3.1.3 Cylinder leakage tester
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Answer
A cylinder leakage tester is utilized to check for any gas or compressed air leaks from the cylinder during its compression stroke. This device helps to identify potential issues affecting engine performance.
Step 4
3.2 Give TWO reasons why it is necessary to perform a cylinder leakage test on an engine.
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Answer
To determine the percentage of leaking, which indicates the health of the cylinder seals and overall engine condition.
To identify the location of any leaks, which can help in diagnosing specific engine issues before they become severe.
Step 5
3.3.1 State TWO advantages of the use of the MIG/MAGS welding process rather than the conventional arc welding process.
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Less cleaning of weld required, leading to reduced prep time.
Thinner materials can be welded effectively.
Step 6
3.3.2 Name TWO gasses used as inert gas in the MIGS/MAGS welding process.
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