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 'WORKSHOP INSTRUCTOR/INSTUCTOR GARDE II/DEMONSTRATOR/DRAFTSMAN GR II ELECTRICAL ENGINEERING TED' And exam conducted in the year 2014. And Question paper code was '203/2014'. 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.
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Slip of the induction machine is 0.02 and the stator supply frequency is 50 Hz, What will be
the frequeney of the rotor induced दफा?
(ಗಿ) 10112 (8) 800%
(0) 10% ⋅ (D) 2500 Hz
The eddy current loss in an a-c electric motor is 100 watts at 50 Hz. Its loss at 100 Hz will be :
ക്ര 25 ५०६ (1) 59 watts
(() 100 watts (D) 400 watts
The armature of a de machine 1s laminated to reduce :
{A) Eddy current loss (18) Hysteresis loss
((} Copper loases (10) Friction and windage losses
A single phase Hysteresis motor :
(ಗ) can run at synchronous speed only
(B) ബോ at sub synchronous speed only
(0 can run at synchronous and super synchrenous speed
(10) run at synchronous and sub synchronous speed
The temperature of resistance furnaces can he controlled by changing the :
(५) applied voltage (B) number of heating elements
(C) ecircuit configuration (D) आर्ज the above
For a line voltage V and regulation of a transmission line R :
കര ۷ھ (0) ۸۱1
(^) 847 (D) 2VRe1
The rotor frequency for a 3 phase 1000 RPM 6 pole induction motor with a 8110 01 0,014
is ———————Hz.
കര 8 (8) 4
© 6 m 2
When two transformers are operating in parallel, they will share the load as under?
(ಗೆ) proportional to their impedances
(B) inversely propertional to their impedances
(0 50% -50%
(ம) 85% - 75%
5 203/2014
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