Elevators ( Mechanical Equipment)|Test Solutions 100%Pass
ELEVATORS ( MECHANICAL EQUIPMENT) Two types of Elevators ans-Electric & Hydraulic Electric Elevator ans-Cables, tall buildings, DC motor operated Requires electrical room Hydraulic Elevator ans-Plunger, antennaeic, movable rod 5 - 10 storeys Elevator Traction Machines ans-Gearless & Geared Gearless Traction Machine ans-Spun and worm - high-rise buildings Geared Traction Machine ans-Gear and worm - mid-rise buildings Electric Elevator Major Parts ans-1. Car/Cab - load carrying unit 2. Cable - rope; 4-6 in no. 3. Drive machine - power unit 4.Counterweights - balances weight/40% of capacity load 5. Guide rail - bracket 6. Shaft/Hoistway - hatchway/hatch 7. Penthouse - machine room above hoistway 8. Elevator pit - from sill level of the lowest landing (0.60 nakabaon) 9. Control equipment - electrical panel
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