What is the minimum length from the floor side to the dowel?

In the context of dry van practices and the positioning of dowels, the minimum length from the floor side to the dowel is critical for ensuring the structural integrity and functionality of the cargo loading system. The correct minimum length being equal to one times the dowel diameter ensures that there is enough space to accommodate the dowel while providing a secure and stable connection point for securing cargo.

Using a length of one dowel diameter allows for a good balance between having sufficient height for the dowel to be effective while not being excessively tall, which could lead to instability or make securing loads more difficult. It maintains an adequate clearance for proper utilization without compromising cargo securement.

Longer lengths, such as those suggested by other choices, may contribute to unnecessary complexity or increased risk of movement of the load during transportation. Thus, one dowel diameter presents the optimal minimum requirement for efficiency and safety in cargo handling.