Kerala PSC Previous Years Question Paper & Answer

Question Code : A


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN ARCHITECTURE TECHNICAL EDUCATION' And exam conducted in the year 2018. And Question paper code was '053/2018/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.

page: 3 out of 11
Excerpt of Question Code: 053/2018/OL

Correct Answer:- Option-A
Question19:-If ` 3 cos~ {-1}(x} + 2 sin~{-1}{x}={3pi}/2" , then the value of *x" ‏يا‎

&- (0/2)




Correct Answer:- Option-B
Question20:-A straight line passes through "P(2, 3)" is such that its intercepts between the axes is bisected at *P". Then the
straight line is

‎नी‏ 2 + ر3 یھ

‏٭6ے پ+ ×2“ یھ

‎೧-24 3 ಪ 247

‎D 3x + 2y = 12°

‎Correct Answer:- Option-D
Question21:-An RLC series circuit has a resistance R of 20 Q and a current which lags behind the applied voltage by 45°. If
the voltage across the inductor is twice the voltage across capacitor, what is the value of inductive reactance?

‏0 -ھ



‎0:-60 0

‎Correct Answer:- Option-C
Question22:-Three currents "i_1, i_2, i_3" are approaching a node if *i_1 = 10sin{400t+60~0)A" and" i_2 = 10sin{400t -
6070)8 . 776೧ 137 15

‎8:- (105) 4001} &`
C:-*(-10sin 400) &`

‎D:-* {-5sqrt(3)chi3cos400t)A™

‎Correct Answer:- Option-C
Question23:-A water boiler at home is switched on to the ac mains supplying power at 230 V/50 Hz. The frequency of
instantaneous power consumed by the boiler is

‎8:50 112
C:-150 Hz
D:-100 Hz
Correct Answer:- Option-D
Question24:-Which of the following statement with magnetic field is correct?
A:-The electric current always produces a magnetic field
B:-The electric current produces magnetic field only in presence of a coil
C:-The electric current produces magnetic field only in presence of iron core
D:-Only large current produces magnetic field
Correct Answer:- Option-A
Question25:-When a pure resistor R = 100 Q has an applied voltage’v = 200 sin314t". The average power in the 100 Q
resistoris ` `
‏-ھ‎ 9۷
B:-200 W
C:-400 W
D:-800 W
Correct Answer:- Option-B
Question26:-The red colour of brick is due to
A:-iron oxide
Correct Answer:- Option-A
Question27:-Purest form of iron is
കണി ട്ട!
B:-cast iron
C:-high carbon steel
D:-wrought iron
Correct Answer:- Option-D

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