Which ONE of the following hand tools is used by template makers?
A - NSC Mechanical Technology Welding and Metalwork - Question 4 - 2022 - Paper 1
Question 4
Which ONE of the following hand tools is used by template makers?
A. Plane
B. Chipping hammer
C. Cut-off saw
D. Sanding machine
Worked Solution & Example Answer:Which ONE of the following hand tools is used by template makers?
A - NSC Mechanical Technology Welding and Metalwork - Question 4 - 2022 - Paper 1
Step 1
Which ONE of the following hand tools is used by template makers?
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Answer
The hand tool used by template makers is commonly known as a Plane. A Plane is a tool that smooths or flattens surfaces by shaving off thin layers of material, making it essential for template making.
Step 2
4.2 What does F stand for regarding supplementary welding symbols?
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Answer
The letter 'F' stands for Flush in supplementary welding symbols. This indicates that the weld should be finished flush with the surface.
Step 3
4.3 Which ONE of the following components is part of a pedestal/bench grinder?
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The component that is part of a pedestal/bench grinder is the Wheel Guard. This is a protective cover that shields the user from the grinding wheel.
Step 4
4.4 FIGURE 4.4 below shows a welding torch. Identify part Z.
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Part Z in the welding torch shown in FIGURE 4.4 is the Torch Body. This is the main part of the torch that houses the necessary components for the welding process.
Step 5
4.5 What is the purpose of purlins?
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Answer
Purlins are structural members used to support roof covering. They run horizontally and help distribute loads to the walls or other supporting structures.
Step 6
4.6 How would one describe the term stress in materials?
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Stress in materials is defined as the internal resistance in a material resisting an external load. It quantifies the distribution of internal forces within a material.
Step 7
4.7 A strut is designed to ...
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A strut is designed to support columns. It provides stability and helps in carrying loads in structural applications.
Step 8
4.8 Which ONE of the following is an example of a non-destructive test?
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An example of a non-destructive test is the Ultrasonic test. This method evaluates the integrity of materials without causing damage.
Step 9
4.9 Lock-out and tagging of a machine is to inform workers that ...
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Lock-out and tagging of a machine is done to inform workers that maintenance work on the machine has been completed. This ensures safety before resuming operation.
Step 10
4.10 The ability of a material to be drawn into wire form is known as ...
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The ability of a material to be drawn into wire form is known as ductility. This property allows materials to undergo significant deformation before failure.
Step 11
4.11 What is the colour of the acetylene cylinder used in oxy-acetylene welding?
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The color of the acetylene cylinder used in oxy-acetylene welding is typically Maroon. This color coding helps in identifying the gas type safely.
Step 12
4.12 Identify the type of load applied to the work piece in FIGURE 4.12.
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The type of load applied to the work piece in FIGURE 4.12 is Compressive. This load pushes the material together.
Step 13
4.13 Which ONE of the following factors influences the rate of cooling of the weld metal during the welding process?
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Answer
The weld metal thickness is a factor that influences the rate of cooling during the welding process. Thicker welds cool slower compared to thinner ones.
Step 14
4.14 Which ONE of the following methods may be used to reduce distortion during the welding process?
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The method that may be used to reduce distortion during the welding process is Controlled cooling. This helps in minimizing the thermal stresses generated.
