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 'LABORATORY TECHNICAL ASSISTANT MRRTV VHSE' And exam conducted in the year 2014. And Question paper code was '218/2014'. 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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NPN transistors are preferred to PNP transistors because വ്
(A) Easy use in +ve supply rail
(8) Higher switching speed
(C) A wide range of operating temperature
(D) the reasons mentioned in (A) and (B)
The LED which emits invisible light 15
{A) Bicolour LED (B) LASER LED
(C) Tricolour LED (D) Infrared LED
The copper from copper clad boards is removed by using
(ക) Thinner (B) Etchant
(0) 1856 (D) Remover
The voltage gain of an RC coupled amplifier is 100. What is the gainindB ?
(A) 40 (8) 20
(೧ 30 (0) 10
The IC number for quad 2 input NOR gate is
(^) 0 (8) 7401
(0) 7402 (D) 7404
When JK flip flops are used to make frequency counters, the condition used is
ക്ര 1=K=1 (B) J=0.K=1
(0) 1௪21-0 (D) J=1.K=0
The number of flip flops required to construct a mod 10 counter is
(A) 2 (8) 4
(0) 3 _ (0) 10
The simplification വ് Boolean expression A + ABis
(A) AB (8) A+B
(८) 8 (D) A+B
The number of PN junctions in a DE MOSFET is
(ಗಿ) | (8) 0
© 3 (0) 2
5 218/2014
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