Unlocking The History Of Locks And Keys Ielts Reading Answers [2021]

Here are the correct unlocking the history of locks and keys IELTS reading answers , along with detailed explanations of why each answer is correct.

In 1784, Joseph Bramah patented the Bramah lock, based on a radial-tumbler design. He famously hung a working model of his lock in his shop window for 67 years, challenging anyone to pick it. It took a skilled locksmith 51 years to succeed. Then, in 1818, Jeremiah Chubb invented the detector lock, which would jam if tampered with, signaling an attempted break-in. These inventions shifted locks from simple barriers to sophisticated detection devices. Here are the correct unlocking the history of

While specific versions of the test may vary, here are the logical "answers" to the themes often explored in this passage: It took a skilled locksmith 51 years to succeed

– The passage says: "It took a skilled locksmith 51 years to succeed" – thus, it was picked. While specific versions of the test may vary,

This IELTS General Training reading practice paper covers "Unlocking the history of locks and keys," tracing the evolution of security devices from ancient wooden locks to Renaissance masterpieces. It includes matching information, multiple-choice, and note completion questions focused on the development and social significance of keys and locks. Access the full reading passage, questions, and answer key at IELTS Mentor

Tip: Look for dates and names of inventors (e.g., 18th century, Bramah) to navigate quickly. 2. Diagram Labeling

Remarkably, the ancient Egyptians refined the pin tumbler principle independently around 4000 years ago. Their design used wooden pins of varying lengths within a bolt. A key with pegs matching the pin lengths would lift the pins, allowing the bolt to slide. This is the direct ancestor of the modern pin tumbler lock, a mechanism still used in most household doors today. The Egyptian key was large, resembling a modern toothbrush, and was often carried over the shoulder as a symbol of authority.