In a high rise building, the elevator rises 366 meters with an operating speed of 5 meters per second and reaches a full speed in 10.68 meters. Assume a drive of 6 x 19 cast-steel rope and 900 mm sheaves. The loaded elevator weighs 2000 kg. Determine the number of 15.6 mm ropes required if the factor of safety is 6.

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Electric Circuit and Components

An electrical circuit or electrical network is a pre-determined pathway to make the electrons flow in the desired direction. The flow of electrons will set up a current flow in the circuit. Normally, the flow of electrical current is opposite to the flow of electrons. An electron is a fundamental sub-atomic particle of an atom possessing a negative charge. To initiate the flow of current and achieve the desired output, the electrical circuit should necessarily be composed of closed pathways. The pathways are made-up of good conductors of electricity such as aluminium and copper.