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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'RECORDING ASSISTANT KERALA STATE FILM DEVELOPMENT CORPORATION LTD' And exam conducted in the year 2014. And Question paper code was '065/2014'. 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.
50, The device which is used to strengthen the weak audio signal is :
(வு Regulator (B) Inverter
(0 Oscillator (D) Amplifier
51. The ratio of output quantity to the input of an amplifier is called it's :
ക من (ए) Distortion
() Frequency response (1) Bandwidth
52, The amplifier works in ———————— region.
(ക Cut-off region . (H]Saturau‘nnmginm
[(‘).‘\clivervgiun & (D} None of these
53. ~ microphone is used in mobile communieation system.
(ಗಿ) Carbon ! ۱ (B) Condenger
(C) யை ‡ (D) வேள்வி
~
54. Threshold of hearing equals o an intensity of ؛
(5).
10 13 watts/m? (8) 105 எவர்
10" watts/m® (D) 10° watts/m?
5. The inerease in loudness is determined by the unit :
ക്ര
0
56.
८५)
(0)
57, The first practical sound recording and reproduction device was invented by :
ക
0
Phon (131). 50110
138011 {0} Micro-bay
feedback iz used in amphfiers.
Positive (13) Negative
Regenerative (1)) None of these
Ray Dalby (0) او وما
Thomas Edison ٠ (D) J.L. Baird
58. The unit of pitch of sound is :
(4)
(೧)
യ MEL مك
N/m* (D) Micro-bar
65/2014
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