Elevator Mechanic Exam Latest 2024 Already Passed
Which relay do you need to Order
710 Pg, 7 ✔✔A Latching relay: Used for call registration,direction selection or as selector relays
Two types are: Set/Rest are electrical and Mechanical Latching relays
Need to know latching relay symbol, Its a box with shaded triangle in lower right hand corner.
Know the formula for RPM
435 Pg. 5 ✔✔RPM = 60 ∙ ƒ ÷ P÷2 =