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Hot water reset. Hot water reset, also called outdoor reset ( ODR ), is an energy-saving automatic control algorithm for heating boilers that are typically fired with fuel oil or natural gas. A hot water reset control loop measures the outside air temperature; this information is used to estimate demand or heating load as the outdoor ...
The Quarry Fire near Denver grew from 50 to 200 acres Wednesday morning, the Jefferson County Sheriff's Office said. - KUSA. • California’s Park Fire is bigger than the size of Los Angeles ...
Blazes from the Park Fire, started by an alleged arsonist who pushed a flaming car down a 60-foot gully near Chico, California, on July 24, has since burned more than 400,000 acres (162,200 ...
Firefighters set a backfire on the eastern front of the Park Fire on Sunday. Fueled by dry winds and dried vegetation, the blaze has grown to more than 360,000 acres and was 12% contained. - David ...
For example, a conventional heat pump system used to heat a building in Montana's −57 °C (−70 °F) low temperature or cool a building in the highest temperature ever recorded in the US—57 °C (134 °F) in Death Valley, California, in 1913 would require a large amount of energy due to the extreme difference between inside and outside air ...
Hydrostatic testing is the most common method employed for testing pipes and pressure vessels. Using this test helps maintain safety standards and durability of a vessel over time. Newly manufactured pieces are initially qualified using the hydrostatic test. They are then revalidated at regular intervals according to the relevant standard.
The wind-driven fire was moving fast, Kern County Fire Department public information officer Andrew Freeborn said, eating up more than 60 square miles (155.4 square kilometers) in four days.
Fire opal is a transparent to translucent opal with warm body colors of yellow to orange to red. Although fire opals don't usually show any play of color, they occasionally exhibit bright green flashes. The most famous source of fire opals is the state of Querétaro in Mexico; these opals are commonly called Mexican fire opals. [47]