Multiple strand chains are used __________.

• A. to transmit a great deal of power
• B. to minimize noise
• C. to decrease manufacturing cost
• D. to reduce wear universally

Answer: (A)

Multiple strand chains are used to transmit a great deal of power. When heavy power or torque must be delivered, a single chain can reach its tension limit or require a sprocket arrangement that isn’t practical. By running several strands in parallel, the total load is shared among them, so each strand experiences less tension. This increases the overall power transmission capability and provides a margin against overload and premature wear or failure. The other considerations—such as noise, manufacturing cost, or universal wear reduction—are secondary and not the primary reason for choosing a multi-strand chain.