Kerala PSC Previous Years Question Paper & Answer
Page:15
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'MACHINE OPERATOR GR.II(Kerala State Co-Operative Coir Marketing Federation LTD)' And exam conducted in the year 2023. And Question paper code was '146/2023'. 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.
85.
86.
87.
88.
89.
90.
91.
92.
What is the change of resistance value of the conductors as it’s diameter is doubled?
(A) Increases to two times (B) Decreases to half of the value
(C) Decreases to four times (D) No change in value of resistance
Which method is used for measuring 1 Q to 100 K Q range resistance?
(^) Kelvin bridge method (B) Wheatstone bridge method
(C) Substitution method (D) None of the above
Calculate the total power of the circuit having two lamps rated as 200 W / 240 V are
connected in series across 240 V supply?
(A) 100W (B) 400 W
(C) 200W (D) 300W
An ammeter in a short circuit indicates :
(^) No deflection (B) Maximum value
(C) Minimum value (D) None of the above
In Sensistors
(A) As temperature increases, resistance increases
(B) As temperature increases, resistance decreases
(ಲ) As temperature increases, resistance doesn’t change
(D) None of the above
Which type of ohm meter is particularly suitable for measuring low value of resistance?
(A) Shunt type ohm meter (B)_ Series type ohm meter
(C) Compound type ohm meter (D) Both (A) and (B)
Which material is having negative temperature co-efficient property?
(A) Copper (B) Eureka
(C) Silicon (D) Nichrome
Which electrical quantities are related in Ohm’s law?
(A) Current, Resistance and Power
(B) Resistance, Voltage and Conductance
(C) Current, Voltage and Inductance
(D) Current, Voltage and Resistance
17 146/2023
[P.T.0.]