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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 MAINTENANCE AND OPERATION OF BIO MEDICAL EQUIPMENTS VOCATIONAL HIGHER SECONDARY EDUCATION' And exam conducted in the year 2015. And Question paper code was '051/2015'. 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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An amplifier has an input voltage of ImV and a voltage gain of 40dB. Find the output veltage :
(ക) 1007 (B) 80mV
)0 7 . D) 4V
Which of the following oscillator has highest frequency stability?
(^) Hartly oscillator . (B) Colpitts oscillator
(C) RC oscillator (D) Crystal oscillator
Resistance of a semiconductor ————————— with increase in temperature.
(A) Increases (8) Decreases
(0) Remains constant (D) First increases then decreases
Name the transistor configuration used for impedance matching :
(ക), Common base configuration (B) Common emitter configuration
(C) Common collector configuration (D) All the above
In an elastic collision :
(A) Both momentum and kinetic energy are constant
(8) Both momentum and kinetic energy are not constant
(0 Only energy is conserved
(2) : 01113 momentum is conserved
Select the function of kidney from the options :
( Blood pumping (B) Respiratory rate control
(C) Water and salt balance (D) Temperature control
For sterilizing antibiotic solutions ———————— is used.
(2) Autoclave (B) Radiation
(C) Hot air oven (D) Filtration
Name a device working on the principle of seebeck effect :
(ಗಿ) Solar cell 18) Thermistor
(0) Strain guage (D) Thermocouple
Name the electrode used for measuring 01000 pH :
(^) Calomel electrode (B) Combination electrode
(¢) Tungsten electrode (D) Surface electrode
11 51/2015
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