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 correct answer is D. Sanding machine. Template makers typically use sanding machines to achieve a smooth finish on the edges and surfaces of templates, ensuring accuracy in the shapes they create.
Step 2
4.2 What does F stand for regarding supplementary welding symbols?
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Answer
The correct answer is D. Flush. In the context of welding symbols, 'F' indicates that the weld should be flush with the base metal.
Step 3
4.3 Which ONE of the following components is part of a pedestal/bench grinder?
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Answer
The correct answer is A. Wheel guard. The wheel guard is a safety feature that protects the user from debris and pieces that may fly off during the grinding process.
Step 4
4.4 FIGURE 4.4 below shows a welding torch. Identify part Z.
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Answer
The correct answer is B. Torch valve. Part Z in the diagram is identified as the torch valve, which controls the flow of gas in the welding torch.
Step 5
4.5 What is the purpose of purlins?
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Answer
The correct answer is B. Support beams. Purlins are structural members used to support the roofing materials or sheeting in construction.
Step 6
4.6 How would one describe the term stress in materials?
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Answer
The correct answer is A. Internal resistance in a material resisting a shearing load. Stress is a measure of the internal resistance that a material exhibits when subjected to external forces.
Step 7
4.7 A strut is designed to ...
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The correct answer is C. resist shearing. Struts are structural components designed specifically to resist shearing forces.
Step 8
4.8 Which ONE of the following is an example of a non-destructive test?
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Answer
The correct answer is D. Ultrasonic test. Ultrasonic testing is a non-destructive method used to evaluate the properties of a material.
Step 9
4.9 Lock-out and tagging of a machine is to inform workers that ...
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Answer
The correct answer is C. maintenance work on the machine has been completed. This ensures that workers are aware that the machine is safe to use.
Step 10
4.10 The ability of a material to be drawn into wire form is known as ...
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Answer
The correct answer is D. plasticity. Plasticity refers to the ability of a material to undergo permanent deformation under stress.
Step 11
4.11 What is the colour of the acetylene cylinder used in oxy-acetylene welding?
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Answer
The correct answer is B. Blue. Acetylene is typically stored in blue cylinders for safety and identification purposes.
Step 12
4.12 Identify the type of load applied to the work piece in FIGURE 4.12 below.
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Answer
The correct answer is A. Compressive. The load shown in the diagram is identified as a compressive load.
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 correct answer is B. Amount of oxygen used in the process. The oxygen levels can significantly affect cooling rates.
Step 14
4.14 Which ONE of the following methods may be used to reduce distortion during the welding process?
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Answer
The correct answer is A. Continuous welding. This technique helps to minimize the thermal stresses that can lead to distortion.
