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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'SUB ENGINEER' And exam conducted in the year 2015. And Question paper code was '016/2015/OL'. 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.
Correct Answer:- Option-B
Question78:-Which part of a DC motor has the maximum flux
A:-pole core
B:-Interpole
C:-Leading pole tip
D:-Trailing pole tip
Correct Answer:- Option-C
Question79:-The air blast circuit breaker have best application in system of operating voltage
A:-Below 132KV
B:-132KV to 400KV
C:-Above 400KVA
D:-None of this
Correct Answer:- Option-B
Question80:-The cheapest shielding material used in Nuclear plant is
A:-Concrete
B:-Brick
C:-Boron
D:-Cadmium
Correct Answer:- Option-A
Question81:-Superposition Theorem is essentially based on the concept of
A:-Reciprocity
B:-Linearity
C:-Duality
D:-Non linearity
Correct Answer:- Option-B
Question82:-Form factor for DC supply voltage is always
A:-Zero
B:-Unity
C:-Infinity
D:-Any value between zero and one
Correct Answer:- Option-B
Question83:-In purely resistive circuits
A:-Power factor is unity
B:-Power consumed is zero
:-Heat produced is zero
D:-Power factor is zero
Correct Answer:- Option-A
Question84:-In a series resonant circuit, the impedance below resonant frequency is
A:-Capacitive
B:-Inductive
:-Resistive
D:-Depends on values of circuit components
Correct Answer:- Option-A
Question85:-The figure of merit of RLC circuit will increase if
A:-R decreases
B:-R increases
C:-Voltage increases
D:-Voltage decreases
Correct Answer:- Option-A
Question86:-In an Intrinsic Semiconductor, Fermi Level represents the energy, with probability of its occupation of
A:-0 %
۔ %
C:-50 %
D:-100 %
Correct Answer:- Option-C
Question87:-An Infra Red LED is usually fabricated from
A:-Ge
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