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.
Horizontal balers take up more floor space than vertical balers, but they have the advantage of greater load capacity and more automated functions. Vertical balers often are single load machines and need to be manually unloaded when the compacting and baling is complete.