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Explain any two of the following: Tensile force, Countersink drill, Thermal conductor, Solar panel. - Leaving Cert Engineering - Question 1 - 2016
Question 1
Explain any two of the following: Tensile force, Countersink drill, Thermal conductor, Solar panel.
Worked Solution & Example Answer:Explain any two of the following: Tensile force, Countersink drill, Thermal conductor, Solar panel. - Leaving Cert Engineering - Question 1 - 2016
Step 1
Tensile force
Answer
A tensile force is a pulling force that acts on an object from opposite ends, effectively pulling it apart. It is a fundamental concept in mechanics, where materials are subjected to various types of forces. When a tensile force is applied, it tends to stretch the component, which can lead to changes in length and cross-sectional area. Understanding tensile forces is crucial in fields such as engineering and materials science, as different materials respond uniquely to these forces, influencing design and functionality.
Step 2
Countersink drill
Answer
A countersink drill is a specialized type of drill that creates a conical hole to allow the head of a screw, typically a CSK (countersunk) screw, to sit flush with or below the surface of the material being drilled. This tool widens the mouth of a hole at specific angles, commonly 60° or 90°, ensuring that the screw fits securely and provides a smooth finish. Countersinking is essential in applications where aesthetics and safety are paramount, as it prevents screws from protruding, which could cause injury or damage.