If the reactor is critical, then inserting the control rods makes the reactor subcritical and power will decrease. If the control rods are withdrawn, the reactor becomes supercritical and power increases. We employ small movements to ensure that power changes at a controlled rate. If necessary, when the control rods are fully inserted or perhaps 80-90 percent inserted, the reactor shuts down.
In brief, ârhetoricâ is any communication used to modify the perspectives of others. But this is a very broad definition that calls for more explanation. The OWLâs âIntroduction to Rhetoricâ vidcast explains more what rhetoric is and how rhetoric relates to writing.
Rhetoric is the art of communication with an audience. For writers, rhetoric means that the writer tries to communicate with the readers using literary devices and compositional techniques.There are many modes of rhetorical writing. The four most common modes are description, definition, narration, and argumentation.hetoric in writing refers to ways of communicating to readers-maybe through persuasion or visual impression. Though there are several modes of rhetoric, the four most common are description, definition, narrative, and argumentation.