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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Crane Driver (Electrical) - Port ' And exam conducted in the year 2020. And Question paper code was '17/2020/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
Correct Answer:- ۸۸ا05
‘Question82:-The light of Mercury Vapour Lamp is
‘AcRedish orange
B:-Greenish
C-Redish blue
D:-White with bluish green
Correct Answer: Option-D
‘Question83:-To get pink colour in Neon sign Lamp chemical powder coated in the inner side of the tube.
‘A-Cadmium silicate
B:Zinc silicate
C-Cadmium borate
D-Calcium silicate
Correct Answer: Option-C
Question84:-Drop test of an armature is used for testing
‘AcNumber of யாக
B:-Correct resistance
C:-Short and open circuits
०-५॥ of the above
Correct Answer:- Option-D
Question85:-Humming sound produced by @ motor is due to
‘AcLow voltage
B:-Shorted field or armature winding
بجی conductor
D-Open field conductor
Correct Answer: Option ®
Question86:-Current sensing single phasing preventers are suitable for
‘As Constant voltage application motor
B:-Constant load motors
:Variable voltage application motors
०-५॥ of the above
Correct Answer: Option ®
Question87:-The Terminals of a GTO are
‘AvAnode, Cathode, Gate
B:-Collector, Emitter, Gate
Source, Drain, Gate
D-Collector, Base, Emitter
Correct Answer:- ೦೧000
೦0500788: 17 DC generator metal graphite brushes are used for
‘AcHigh current and high voltage application
B:-Low current and low voltage application
C-High current and low voltage application
D-Low current and high voltage application
Correct Answer: Option-C
Question89::Which of the following is not a standard accuracy class of potential transformers ?
Correct Answer: Option:
‘Question90:-In Electrician Solder the percentage of Tin and Lead is