NEIEP Mechanics Practice Exam

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Prepare for the NEIEP Mechanics Exam with multiple choice questions, hints, and detailed explanations. Ace your test and advance your career!

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What device could be used to prevent twisting when using a hoisting line to install cables?

Pulleys
Swivel Link
Clamp
Block and tackle

The correct answer is: Swivel Link

Using a swivel link is crucial for preventing twisting of the hoisting line when installing cables. This device allows for rotational movement, enabling the cable or load to turn freely without causing the hoisting line to twist. When a load is being moved, especially if it has a tendency to rotate or spin, the swivel link accommodates that movement and maintains the alignment of the line, reducing wear and the risk of entanglement. In contrast, other devices like pulleys, clamps, and block and tackle systems do not serve this specific purpose. Pulleys can change the direction of the line but do not allow for free rotation, which can lead to twisting under certain conditions. Clamps are designed to secure items rather than prevent rotation, and while a block and tackle can provide mechanical advantage in lifting, it does not inherently prevent the hoisting line from twisting. Therefore, the swivel link is the most effective choice for maintaining the integrity of the hoisting line during the installation process.