The concentration is calculated on the volume of water that is in the well. The concentration must be at least 200 milligrams of chlorine per litre of water present in the well and must be left in the well for at least 12 hours to ensure any bacteria present are.
idles; idled; idling. Learner's definition of IDLE. 1. of an engine or vehicle: to run without being connected for doing useful work. [no object]. She left the engine idling for a few seconds before she turned it off. The cars idled in traffic.
ISB Idle Speed Control. All engines spend a significant portion of their life at idle. The ISB engine gives you the ability to set desired idle speed. It also gives you the ability to control idle speed using the Cruise Control switches. Idle Speed Control increases fuel economy and can be helpful in reducing cab noise and vibration. Idle time also affects fuel economy of the vehicle.