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 'Assistant Engineer (Electrical) - Kerala State Electricity Board Ltd' And exam conducted in the year 2023. And Question paper code was '225/2023'. 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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A causal system is always:
(^) Anticipative (B) Linear
(0 Non-anticipative (D) Nonlinear
Given the signal x(t), which of the following is true for signal ×8 + 6)?
(A) x(t) shifted to the left by six units
(B) x(t) is compressed by a factor of 3 and then shifted left by two units
(C) x(t) is expanded by a factor of 3 and then shifted right by two units
(D) 240) is reflected about the vertical axis and then shifted
“at
A system with x(t) and y(t) is defined by the input-output relation y(t)= [442൭൭൦
The system will be:
(^) Causal, time -invariant (B) Causal, time -variant
(C) Non-causal, time -invariant (D) Non-causal, time -variant
Which one of the following statements is not true?
(൧) The product of two odd signals will be an even signal
(B) The product of two odd signals will be an odd signal
( The product of two even signals will be an even signal
(D)_ The product of an even and odd signal will be an odd signal
Which one of the following systems is a memory less system?
اور وت )20-40 (A)
)9-(3(9-20)42 )0 )»7 +(اس - راد ©
The output y(t) of the following system is to be sampled, so as to reconstruct it from its
samples uniquely. The required minimum sampling rate is:
JN
00 ൬ ! 1000൩
பபப ப = 530/1500
05೨೫7 > >| At) = कप لم
COS(1000 x t)
(A) 1000 samples/s (B) 1500 samples/s
(C) 2000 samples/s (D) 3000 samples/s
225/2023 16 A