Lift & Escalator Mechanic MCQ
Lift and Escalator Mechanic is a simple e-Book for ITI
& Engineering Course Lift and Escalator Mechanic. 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.
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