Kerala PSC Previous Years Question Paper & Answer
Page:11
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'OVERSEER/ DRAFTSMAN GR II ELECTRICAL NCA OBC PUBLIC WORKS/IRRIGATION' And exam conducted in the year 2015. And Question paper code was '274/2015'. 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.
Question96:-In a transistor both collector base junction and emitter base junction is reverse bias the transistor is said to عن
A:-Saturation state
B:-Active state
C:-Cut off state
D:-None of the above
Correct Answer:- Option-C
Question97:-The most commonly used AC motor is
കാടി ring induction motor
B:-Universal motor
C:-Repulsion motor
D:-Squirrelcage induction motor
Correct Answer:- Option-D
Question98:-Barrier voltage of silicon crystal is
70ھ
8:-0.3 ४
"۷٤6۴.7۷
0:-0.9 ४
Correct Answer:- Option-A
Question99:-FET is a
A:-current controlled device
B:-bipolar device
C:-power control device
D:-voltage control device
Correct Answer:- Option-D
Question100:-For getting maximum efficiency in a sodium vapour lamp the lamp temperature to be maintained about
A:-380c
B:-320c
C:-150°c
D:-220°c
Correct Answer:-Question Cancelled