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Periodic fume hood function inspections require the measurement of capture or face velocity [a] with an anemometer. [13]: 359 Specialized instruments for measuring wind speed in a fume hood or in ductwork are often referred to by trade names that indicate the mechanism of measurement, such as "velometer" and "vaneometer".
Fume hoods were introduced about 100 years ago to safeguard personnel working with hazardous materials. While many changes and improvements have been made, the basic concept and design of fume hoods remains the same. Air is drawn from the workplace, around the worker and into the front of the hood, and is then exhausted out of the laboratory.
Exhaust system of the Opel Corsa B 1.2 petrol Exhaust manifold (chrome plated) on a car engine. An exhaust system is used to guide reaction exhaust gases away from a controlled combustion inside an engine or stove. The entire system conveys burnt gases from the engine and includes one or more exhaust pipes. Depending on the overall system ...
A fume hood is an example of an engineering control that uses local exhaust ventilation combined with an enclosure to isolate a worker from airborne gasses or particulates. Ventilation systems are distinguished as being either local or general.
A flipfront provides easy access to the engine bay (Saab Sonett) The hood (American English) or bonnet (Commonwealth English) is the hinged cover over the engine of motor vehicles. Hoods can open to allow access to the engine compartment, or trunk (boot in Commonwealth English) on rear-engine and some mid-engine vehicles) for maintenance and ...
Mark talked with the driver to understand why the two hose system was used, and also why it was not implemented on the standard delivery nozzle, allowing vapors to escape from the vehicle gas tank. After the tanker driver left, Mark drew an idea for a Vapor Recovery Gasoline Nozzle and submitted it to the Chevron Station Management as an ...
Fume hood, piece of laboratory safety equipment; Hood (car), covering over the engine compartment in a motor vehicle ('bonnet' in most Commonwealth countries) Kitchen hood, exhaust system for a stove or cooktop; Lens hood, device used to block light from creating glare in photographs
In aircraft gas turbine engines, "exhaust gas temperature" (EGT) is a primary measure of engine health. Typically the EGT is compared with a primary engine power indication called "engine pressure ratio" (EPR). For example: at full power EPR there will be a maximum permitted EGT limit.