Kerala PSC Previous Years Question Paper & Answer
Page:8
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.
58,
89.
60,
61.
82.
68.
64.
65.
203/2014 ठ 10
Stray losses in an induction motor generally are :
(A) proportional to the square of the stator current
(B) proportional to the square of the rotor current
(C) proportional to the rotor current
(11) inversely proportional to the square ല് rotor current
What determines the thermal loading on the motor?
(ಗಿ) Duty/Load cycle (B) Temperature of the winding
(0 Age of the motor (D) Ambient conditions
The speed of an AC motor depends on :
(ക Frequenecy (18) No. of poles
بت DBoth (A) and (B) (D) None of the above
" Reduction प supply voltage by 10% will change the torque of the motor by :
{A) 88% 1) 19%
(0) 9.5% (D) no change
വന്യ power requirements of constant torque loads vary with :
(A) speed (ए) voltage
(C) current (D) power factor
Acrystal diodeisa ————— device.
(ಗೆ) 1101-11768೩೯ (B) linear
(C) amplifying (D)) none of the ahove
A pn junction acts as a :
(வ unidirectional switch ் (B) bidirectional switch
(C) controlled switch (D) none of the above
The rotor power output of a 3-phase induction motor is 15 KW and corresponding slip is 4%.
The rotor copper loss will be :
(^) 600W ⋅ (8) 625 W
பைன (D) 700W
The bushar ലോ means protection of :
(ಡಿ) Bushar (18) Isolating switches
(0) Circuit breakers (1) All above
