What is a detonating connector relay?

• A. A device for igniting explosives
• B. A type of detonating cord
• C. An electric device that provides continuous detonation
• D. A nonelectric device providing a short interval delay in a detonation cord circuit

Answer: (D)

A detonating connector relay is indeed categorized as a nonelectric device that provides a short interval delay in a detonation cord circuit. This relay is specifically designed to ensure that detonation signals are sequentially timed, allowing for precise control over the timing of explosions in a mining or construction environment. By incorporating a short delay, it enhances safety and efficiency during blasting operations, ensuring that detonations occur in a controlled manner, which is crucial for minimizing risks and maintaining operational integrity.

This type of device plays a pivotal role in establishing a reliable connection within explosive circuits, allowing for effective communication between different components of the detonation setup. The timing provided by the relay is essential to synchronizing different explosive charges, thereby optimizing the overall performance of the blasting operation.

The other choices do not accurately describe the function or design of a detonating connector relay. For example, a device designed primarily for igniting explosives would be more akin to a detonator rather than a relay. Similarly, while a type of detonating cord is indeed a component of blasting systems, it does not provide the specific delayed timing capability that characterizes the relay. Lastly, an electric device offering continuous detonation does not align with the characteristics of a relay, which is focused on providing a time displacement