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 If the control rods are withdrawn, the reactor becomes supercritical and power increases.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.
Rhetorical stance is the position of a speaker or writer in relation to audience, topic, and situational context. It encompasses the same elements as rhetorical situation - which involves an author, speaker and subject, but is a more active concept. One is simply in a situation where; the author, audience and subject merely exist. Rhetorical Stance involves taking a position, and effectively developing an argument in favor of that position, in order to persuade an audience.