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.
Originally Answered: What is the difference between restraints and constraints? Restraint is to stop moving, like a chain on foot tied to a pillar Constraint specifies boundaries, like shoreline for a cycle, you'll not be able to breach or supposedly not to breach