Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Junior Instructor-Lift and Escalator Mechanic' And exam conducted in the year 2020. And Question paper code was '003/2020/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
B:-650 V
C:-33 kV
D:-110kV
Correct Answer:- Option-C
Question98:-The first type of variable speed drive ever used on lifts was the so-called
A:-Two speed system
B:-Ward-Leonard system
C:-DC SCR
D:-VVWF
Correct Answer:- Option-B
Question99:-What type of elevator is used for low rise buildings where speed is not the main consideration?
A:-Gear-less traction elevator
-Geared elevator
C:-Hydraulic
D:-Deck elevator
Correct Answer:- Option-C
Question100:-Which motors are invariably used in lift systems to achieve good starting torques and enable good speed
control using variable voltage systems
A:-synchronous motor
B:-Double cage rotor induction motors
C:-de series motor
D:-dc compound motor
Correct Answer:- Option-B