Final answer:
The question asked is not grounded in the context of a clothes washer's standpipe specifications and instead pertains to the field of fluid mechanics within engineering, discussing the effect of changes in height, diameter, and pumping force on the pressure and velocity of water in pipes.
Step-by-step explanation:
The correct answer is option "N/A" as the question provided seems to be part of a physics problem relating to fluid mechanics, specifically concerning the behavior of water in pipes and hoses and how pressure and speed are affected by various factors. The initial statement about a standpipe for a clothes washer does not relate to the remaining question.
In fluid mechanics, pressure in a pipe or hose can change due to various factors including changes in height, diameter, and pumping force. These changes can be predicted using principles like Bernoulli's equation, which relates the speed of a fluid and its pressure at different points along its path.
Key principles discussed in these questions include the necessity to balance pressure and speed when a fluid travels through different heights or when its flow diameter changes. A larger pipe diameter at one end typically means that there's lower speed and potentially lower pressure at that end compared to a smaller diameter at the other end, assuming no other forces are acting on the fluid.
The question also touches on concepts like gauge pressure and hydraulic pumping mechanisms, illustrating how force applied to a fluid within a closed system can affect its exit speed and how this relates to aspects like the height to which water can be pumped.