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The efficiency of internal combustion engines depends on several factors, the most important of which is the expansion ratio. For any heat engine the work which can be extracted from it is proportional to the difference between the starting pressure and the ending pressure during the expansion phase.
The fuel consumption per mile or per kilometre is a more appropriate comparison for aircraft that travel at very different speeds. [citation needed] There also exists power-specific fuel consumption, which equals the thrust-specific fuel consumption divided by speed. It can have units of pounds per hour per horsepower.
All buildings managed by LEAs (including those used for administrative purposes) were required to have an asbestos management plan developed and issued to their state by October 12, 1988. There was an opportunity for the state to require changes to the initial draft, then plan implementation was required no later than July 9, 1989.
The analysis, often called an ESA, typically addresses both the underlying land as well as physical improvements to the property. A proportion of contaminated sites are " brownfield sites ." In severe cases, brownfield sites may be added to the National Priorities List where they will be subject to the U.S. Environmental Protection Agency's ...
The show also tested a carburetor that, according to its manufacturer, could improve fuel efficiency to 300 miles per US gallon (0.78 L/100 km). However, the device actually made the car less fuel efficient. They also determined that a diesel-powered car can run on used cooking oil though they did not check whether it damaged the engine.
Asbestos (/ æ s ˈ b ɛ s t ə s, æ z-,-t ɒ s / ass-BES-təs, az-, -toss) [1] is a group of naturally occurring, toxic, carcinogenic and fibrous silicate minerals.There are six types, all of which are composed of long and thin fibrous crystals, each fibre (particulate with length substantially greater than width) [2] being composed of many microscopic "fibrils" that can be released into ...
In construction, asbestos abatement is a set of procedures designed to control the release of asbestos fibers from asbestos-containing materials. [1] Asbestos abatement is utilized during general construction in areas containing asbestos materials, particularly when those materials are being removed, encapsulated, or repaired.
The outcome of the risk assessment will identify priorities for management of the locations and materials containing asbestos, for example areas which require urgent attention, materials which are not suited to any form of containment may need to be removed or encased, minor repairs may be needed, or labelling and provision of information may ...