Manoj Dole

Lift and Escalator Mechanic Manoj Dole

Lift and Escalator Mechanic is a simple e-Book for ITI Engineering Course Lift and Escalator Mechanic, First & Second Year, Sem- 1,2,3 & 4, Revised Syllabus in 2018, It contains objective questions with underlined & bold correct answers MCQ covering all topics including all about the latest & Important about safety and environment, use of fire extinguishers trade tools & its standardization, identifies different types of conductors, cables & their skinning, joint making, soldering and crimping, allied trades like carpentry and fitting work, Basic electrical laws like Kirchhoff's law, ohm's law, laws of resistances and their application, analog and digital measuring instruments, hoist, pulley, chain block and carries out simple welding, panel wiring and fitment, AC/DC machines, their starting, running, speed control, reversal of rotation and basic maintenance, lift motor through VVVF drive, different parts of AC/DC drives, terminals of AC/DC drives, power electronic devices viz., SCR, DIAC, TRAIC, UJT, FET, JFET, MOSFET, D/A and A/C converters and controllers, elevators and escalators, elevator well, car bottom clearance, landing zone, top over travel, overhead clearance, observe running clearance, electrical and electronic control devices, safety devices, control panels, limit switches and power wiring, and lots more.