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This is a crucial parameter for pump selection and is a popularly used parameter for ascertaining industrial requirements. By eliminating the inlet head, we remove the effect of the supplied pressure to the pump and are left with only the pump’s energy (head) contribution to the fluid flow. Schematic representation of pressure heads in a pump.
The Imperial Russian Navy developed semi-submersible vessels—starting with the Keta —which were designed to be torpedo boats with low visibility for coastal protection against enemy warships. Keta was built in 1904 in St. Petersburg , powered by a 14-horsepower (10 kW) motor, displacing 8 tons, and with a length of 7 metres (23 ft).
The spectrum of light produced by an incandescent lamp closely approximates that of a black body radiator at the same temperature. [85] The basis for light sources used as the standard for color perception is a tungsten incandescent lamp operating at a defined temperature. [86] Spectral power distribution of a 25 W incandescent light bulb.
A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...
An industrial electric motor . An electric motor is a machine that converts electrical energy into mechanical energy.Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft.
The pressure vessel is a seamless cylinder normally made of cold-extruded aluminum or forged steel. [5] Filament wound composite cylinders are used in fire fighting breathing apparatus and oxygen first aid equipment because of their low weight, but are rarely used for diving, due to their high positive buoyancy.
The B Reactor at the Hanford Site, near Richland, Washington, was the first large-scale nuclear reactor ever built. The project was a key part of the Manhattan Project , the United States nuclear weapons development program during World War II .
9 to 5: The Musical is a musical based on the 1980 film of the same name, with music and lyrics by Dolly Parton.It features a book by Patricia Resnick, based on the screenplay by Resnick and Colin Higgins.