Question

multi jet fusion - hp
use the information below to answer the question.
multi jet fusion is similar to sls in that it uses powder and a heat source, but these components are used differently.
on the print bed, a fusion agent is laid down, which increases the heat source in that area. a detail agent is also applied, which helps define the edges, creating a sharper print. the heat source moves over the materials, working one line at a time, similar to a scanner. this will create the first layer.
the re - coater arm will apply a fresh layer of powder across the surface after each layer. this is followed by the fusion agent, the detail agent, and the heat source.
advantages:
this process is 15 - 20% quicker than sls. because of the fusion agent, there isn’t as much time spent heating up lines and cool - down times, so time is saved in the print cycle. this process also allows users to print using more than one color. however, the range of colors is proprietary.
like sls, multi jet fusion does not need a support structure. there is also less waste with this process because it is recyclable and can be reused in the next process, unlike the sla process, where it is hard to reprocess the powder once it has been cured.
what is laid down on the print bed to increase the heat source for multi jet fusion?
options: a polymer resin, a fusion agent, a metal casing, a curing adhesive

Explanation:

From the text: "On the print bed, a fusion agent is laid down, which increases the heat source in that area." So we look for the option that matches this description. The options are a polymer resin, a fusion agent, a metal casing, a curing adhesive. The relevant sentence tells us it's a fusion agent.

Answer:

B. a fusion agent