Neiep500 - Study guides, Class notes & Summaries

If the ratio of movement between a synchronous selector and the elevator car is 60 to 1, how far will the selector move if the car travels 30 feet? - 6 inches What device is installed to hold the vertically biparting freight doors mechanically closed? - Keeper Which of the following statements is correct regarding single-section swing doors used as emergency exits for blind hoistways? - The doors must be self-closing and self-locking, a unique key, and switch to prevent elevator operations...