Kerala PSC Previous Years Question Paper & Answer
Page:20
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Electrical Engineer' And exam conducted in the year 2023. And Question paper code was '70/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
IV. Nickel-Cadmium cells
۷۸ Lithium-ion cells
Which of the below statement is correct with respect to the listing?
A:-l and Il are primary cells and Ill, IV and V are secondary cells
B:-I and Il are secondary cells and Ill, IV and V are primary cells
C:-All are primary cells
D:-All are secondary cells
Correct Answer:- Option-A
Question96:-A battery is rated for 100 Ah, 1C. If this battery is discharged at 0.5 C,
how long it can supply energy, and at what current?
A:-1 hour, 100 A
B:-30 minutes, 200 A
C:-2 hours, 50 A
D:-30 minutes, 100 A
Correct Answer:- Option-C
Question97:-Which of the following IE rule concerns about the connection to earth?
A:-lE 63
B:-IE 64
C:-IE 65
D:-IE 67
Correct Answer:- Option-D
Question98:-Consider the table below:
Device Protect against
P MCB R. Overload
Q. RCCB S. Short-circuit
T. Earth-leakage
U. Electric shock
Which of the following combinations is all-correct with respect to the given table?
A:-(P, R, S, T, U), (Q, T, U)
B:-(P, R, S), (Q, T, U)
C:-(P, T, U), (Q, R, S)
D:-(P, S, T), (Q, R, S)
Correct Answer:- Option-B
Question99:-Which among the following is Not used as an earthing-enhancement
compound?
A:-Charcoal and sand
B:-Bentonite
C:-Marconite