## Kerala PSC Previous Years Question Paper & Answer

Title : LECTURER IN ARCHITECTURE TECHNICAL EDUCATION
Question Code : A

Page:3

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

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

&- (0/2)

B:-0

யங்‌!

5:-€113))/2)*

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°

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

‎8:-20೧

‎0:-40೧

‎0:-60 0

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

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

‎D:-* {-5sqrt(3)chi3cos400t)A™

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

‎ക:-112
‎8:50 112
C:-150 Hz
D:-100 Hz
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
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
Question26:-The red colour of brick is due to
A:-iron oxide
B:-magnesia
ടി
D:-alumina
Question27:-Purest form of iron is
കണി ട്ട!
B:-cast iron
C:-high carbon steel
D:-wrought iron