ARCH 502-3 BUILDING UTILITIES - 04 Transportation Systems Exam questions and answers

ARCH 502-3 BUILDING UTILITIES - 04 Transportation Systems Exam questions and answers Elevator - answerGenerally used in buildings where several peak periods of traffic occur each day, (i.e. In office buildings, hospitals, apartment buildings). Machine Room - answerA room housing the hoisting machinery, control equipment, and sheaves for raising and lowering an elevator car, in an oil hydraulic elevator. Car Frame - answerThe structural steel frame of an elevator car to which are attached the platform, guide shoes, elevator car safety, hoisting cables and control equipment. Lantern - answerA light, usually over the entrance to an elevator on each floor of a multistory building that signals the approach of the elevator. Annunciator - answerA signaling apparatus in an elevator car or at a landing that displays a visual indication of floor landings. Call Button - answerA pus button for requesting an elevator. Door Interlock - answerA safety device for preventing the operation of an elevator car unless the hoistway door is locked in the closed position. Door Contact - answerA safety device for preventing the operation of an elevator car unless its door or gate is fully closed. Shaft - answerA part of an electric elevator serving as the vertical passageway for car and counterweights. Car - answerA cage of light metal in an electric elevator, supported on a structural frame, the top member of which the cables, that carry the car, are fastened. Cables - answerServe as the means for lifting or lowering the car in an electric elevator, usually 3 to 8 cables placed in parallel fastened to top of car by cable sockets passing over a motor driven cylindrical sheave to the counterweights. Counterweights - answerRectangular blocks of cast iron stacked in one frame which is fastened to the opposite ends of the cables to which the car is fastened.