In general, the discriminant is an algebraic expression that gives. information about the roots of a polynomial. In the case of a quadratic equation the discriminant is the part of. the quadratic equation that is under the radical sign.
How to Select Dampers and Louvers. Dampers and louvers are used to control the flow of air in a process system or enclosed area. Dampers are usually motorized or manually-adjustable for flow control. Louvers are often fixed for a constant flow rate.
Difference Between Muffler and Exhaust. â¢ Categorized under Auto | Difference Between Muffler and Exhaust. A muffler is the American term used to name the gadget that drops the noise of the exhaust system of an internal combustion engine. It is called a âsilencerâ in British English. Mufflers or silencers are mounted within the exhaust system, and they do not serve any primary exhaust function.