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 'Lecturer in Mechanical Engineering ' And exam conducted in the year 2023. And Question paper code was '129/2023'. 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 wire has a resistance of 12 Q. It is bent and ends are connected in the form of a circle. The
effective resistance between the two points on any diameter of the circle is:
(A) 82 ൯ 6Q
(0 120೧ (0) ೩4೧
Select the resistance value of a resistor having the following colour band sequence :
Yellow, violet, gold, gold
(A) 4.245% (B) 3.845%
(C) 4.745% (D) 2.747%
Form factor of a full-wave bridge rectifier is :
(^) 1.21 (B) 1.11
(0) 1.47 ൩൬ 2.1
The technique that SMPS utilizes to control the average value of output voltage :
(A) PAM (B) PCM
(C) PWM (D) FM
State the number of data bits and number of address bits in Intel 8051 microcontroller :
(^) 8 bits data and 16 bits address
൯ 16 bits data and 8 bits address
(C) 16 bits data and 32 bits address
(D) 16 bits data and 16 bits address
CDMA is based on the technology
(A) FM
(B) AM
(© TDMA
(D) Spread Spectrum
Breakeven point can be lowered by :
(A) increasing fixed cost
(B) increasing variable cost
(C) decreasing slope of income line
(D) reducing variable cost
7 129/2023
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