Kerala PSC Previous Years Question Paper & Answer
Page:12
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Crane Driver (Electrical)' And exam conducted in the year 2020. And Question paper code was '017/2020/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.
18-60% Lead 40% Tin
B:-40% Tin 60% Copper
೦60% Tin 40% Lead
D-40% Zine 60% Tin
Correct Answer:- Option-C
Question91:-The instrument used for measuring speed is
‘AcTong Tester
B:Tachometer
C:Hydrometer
D-Growler
Correct Answer:- Option ®
Question92:-The armature current in DC motor is maximum when
‘AcWhen motor has picked up maximum speed
B:-The motor has intermediate stage
C:The motor has just switched off
D:The motor has just started moving
Correct Answer:- Option-D
‘Question93:-A series RL circuits has a R
30 ೧೫೧ರ ಓ
40.0 the Zis
700
B10 0
200
0-500
Correct Answer:- Option-D
Question94:-The Magnetic field produced in the stater of @ three phase induction motor is at
‘AcSlip speed
B:-Synchronous speed
C-Asynchronous speed
D-Rotor speed
Correct Answer:- Option ®
Question95:-The heat proof insulating material used for heater base is
കിടെ
B:-Glass wool
Cotton
D-Porcelain
Correct Answer:- Option-é
Question96:-A 4 Pole 1200 rpm alternator will generate emt at the frequency of
25 Hz
B:-50 Hz
C40 He
D-60 Hz
Correct Answer:- Option-C
Question97:-Conductivity of copper is approximately
۸96
2:9896
۹96
5:8596
09۲۷۶١۲ ۸۳۰۸۷9۴۰ ۸۸ا05
Question98:-Nichrome is an alloy of
‘Ac Nickel and cobalt
B:-Nickel and Carbon