Which of the following is a type of non-electric detonating delay system?

• A. Shockwave system
• B. Nonel system
• C. Electronic system
• D. Cap-sensitive system

Answer: (B)

The Nonel system is a type of non-electric detonating delay system that uses a method of transmission based on gas communication. This system relies on the rapid propagation of pressure waves through a gas-filled tube, allowing for precise control over the detonation sequence without the use of electrical components. This makes it particularly advantageous in environments where the risk of electrical interference or accidental detonation from stray electrical currents is a concern.

In contrast, other systems mentioned, like the electronic system, utilize electrical components for initiation and timing, which do not fall under non-electric categories. The shockwave system does also transmit signals via pressure waves but typically relates to a different concept in blasting technology and may not conform to the standard definition of a non-electric system. A cap-sensitive system refers to devices that respond to the shock from detonators and are generally not classified specifically as a non-electric detonation system as their functionality often relies on an ignition source, which may be either electric or non-electric but does not exclusively fall into the non-electric category.