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 If the control rods are withdrawn, the reactor becomes supercritical and power increases.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 Devices: Sententia. This post is part of a series on rhetoric and rhetorical devices. For other posts in the series, please click this link. Origin: From the Latin, meaning âfeelingâ or âthoughtâ or âopinionâ. In plain English: The use of a famous proverb, maxim, quotation or saying to support oneâs argument.