Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT ENGINEER ELECTRICAL DIRECT AND BY TRANSFER KSEB' And exam conducted in the year 2014. And Question paper code was '193/2014'. 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.
Which of the following is the most popular DAC?
(^) R - 2R ladder type (03) weighted - resister type
(C) switched - current source type (10) swilched — capacitor type
The sequential circuit in which the output depends only on the present state of flip-flops is
called a ——— cireuit.
) ۷٣۳ ⋅ (0) ೫1೧೧
(~) तावन्त), (7) None of the above
இவ circuit is used ௩௦ improve the rise time and fall time of pulses.
(५) Multivibrator (18) Oscillator
(C) Monostable (D) Schmitt trigger
How many inputs and outputs does a full adder have?
(ക 2inputs and 2 outputs (B) 2 inputs and 1 output
(C) 3 inputs and 2 outputs ‘ (D)z‘l‘nputsandﬁuutpubs
f.f\}lll.insarl'P.swiLhSCR (B) RL across SCR
(¢) L in series with SCR (D) None of the above
A single phase voltage controller feeds an induction motor and a heater, which of the
following statements are true?
(ಗಿ) In hoth the loads, fundamental and harmoenics are useful
18 Ininduction motor enly furidamental and in heater only harmonics are useful
(6 11 induction motor only fundamental and in heater fundamental as well கக
harmonies are useful
(D) 1/1 induction motor only harmonics and 10 heater only fundamental are useful
none of the above
A motor armature supplied through phase control SCR's receives a smoother voltage shape
(A) high motor speeds (B) low motor speeds
(0) १८८५ 9९९१ () none of these
A single phase full bridge voltage source inverter (VSI) has inductor as the load. For a
constant source voltage, the current through the inverter is :
(A) Square wave (18) Sine wave
(C) Saw tooth wave (D) Triangular wave