Which material is an alloy of lead and tin with a low melting point, used for plumbing and joining electronic components?

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Prepare for the Engineering Manufacture OCR R109 Test. Dive into various topics with multiple choice questions, each offering hints and detailed explanations. Get ready to ace your exam!

Multiple Choice

Which material is an alloy of lead and tin with a low melting point, used for plumbing and joining electronic components?

Explanation:
A filler metal that melts at a low temperature to join metal parts is solder. Solder is typically a tin-lead alloy that melts well below the metals being joined, allowing it to flow into joints when heated. As it cools, it solidifies to form a strong, conductive bond, which is why it’s used both for plumbing joints and for making electrical connections in electronics. The other options are types of plastics, not metals, so they don’t melt and flow to create metal-to-metal joints.

A filler metal that melts at a low temperature to join metal parts is solder. Solder is typically a tin-lead alloy that melts well below the metals being joined, allowing it to flow into joints when heated. As it cools, it solidifies to form a strong, conductive bond, which is why it’s used both for plumbing joints and for making electrical connections in electronics. The other options are types of plastics, not metals, so they don’t melt and flow to create metal-to-metal joints.

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