CET Year 1/Unit 1 Elevator History And Basic Safety: Chapter 1 History Of Elevators

CET Year 1/Unit 1 Elevator History And Basic Safety: Chapter 1 History Of Elevators 1. Early rope hydraulic elevators could operate at speeds up to...? Correct Answersb. 700 ft/min During the Industrial Revolution, the improvement in lifting devices including elevators were closely related to...? Correct AnswersA steam engine, electric motor, wire rope. All of the above. Early hydraulic elevators were made practical by..? Correct AnswersA. The "U" shape packing. The first person to demonstrate the elevator "Safety" was...? Correct AnswersC. Elisha Otis The person credited with development of practical wire rope was...? Correct AnswersA. John Roebling In 1887, William Baxter is credited with installing the first _________ in Baltimore. Correct AnswersB. Electric elevator The first fully automatic elevators were installed in the mid _____. Correct AnswersA. 1950s