Kerala PSC Previous Years Question Paper & Answer

Title : Junior Systems Officer - Kerala Co-operative Milk Marketing Federation Ltd
Question Code : A


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Junior Systems Officer - Kerala Co-operative Milk Marketing Federation Ltd' And exam conducted in the year 2024. And Question paper code was '018/2024'. 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: 6 out of 18
Excerpt of Question Code: 018/2024







Excess pressure inside a soap bubble of radius 1 cm is (surface tension = 25 x 10° N/m)
(A) 1Pa (B) 5Pa
(0) 8Pa (D) 10Pa
Water is flowing through a horizontal tube of non-uniform cross section, at a place of the tube

the radius is 1.0 cm, velocity of water is 2 m/s. What will be the velocity of flow at radius is
2.0 cm?

(A) 0.4 m/s (B) 0.5 m/s

(0 0.6 m/s (ಗ) 18/9

Thermal radiation is :
@ electromagnetic
(11) travels with a speed of light
(iii) wavelength in ultraviolet region
(^) (@ and (ii) are correct ൯) @) and (iii) are correct

(C) Gi) and (iii) are correct ൯൩) Allare correct

For adiabatic process first law of thermodynamics as :
(A) Q=AU+W (B) AU=W
(C) Q=-W (D) AU=-W

Efficiency of Carnot’s engine working between 127 °C and 27 °C is:

(A) 75% (B) 50%

(C) 25% (D) 15%
Interference of two coherent sources on a screen, if path difference at a point is 3/1,
where 2 is the wavelength then intensity and phase difference at that point are :

(A) bright and 3z (B)_ bright and 6z
(C) dark and 37 (D) dark and6z

018/2024 8 A

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