Kerala PSC Previous Years Question Paper & Answer

Title : LECTURER IN MECHANICAL ENGINEERING
Question Code : A

Page:9


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN MECHANICAL ENGINEERING' And exam conducted in the year 2017. And Question paper code was '069/2017/OLE'. 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: 9 out of 11
Excerpt of Question Code: 069/2017/OLE


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D:-3
Correct Answer:- Option-C
Question75:-If f(x) = min {|x - 1], |x|, |x+1]} then the indefinite integral of f(x) between -1 and 1 is :
A:-0
8:-1
0:-2
D:-None of these
Correct Answer:- Option-D
Question76:-The area of the graph of the function y = |x-5| and the y axis between the limits 0 and 8 is :
ना
8:-9
C:-12
D:-18
Correct Answer:- Option-A
Question77:-The larger of *99*(99)° ~+ ` 100^(99)` 2110 ` 101^(99) 15 :
4:-` 101^ (99)
8:- 99^(99)` + ` 100^(99)-
C:-Both are equal
D:-None of these
Correct Answer:- Option-A
Question78:-The value of a for which the system of equations 2x + y-5 =0,x -2y + 1=Oand 2x -14y-a=0is
consistent is :
‏ا‎
‎8:-2
‎6.6
‎D:--12
‎Correct Answer:- Option-C
Question79:-If cos ‘alpha’ + cos‘beta’ = 0 = sin‘ alpha’ + sin‘beta’ then cos 2°alpha* + cos 2° beta® =
A:--2 sin (‘alpha’ + * beta’)
B:--2 cos (‘alpha’ + ‘beta*)
C:-2 sin alpha’ + ‘beta*)
D:-2 cos (‘alpha* + ‘beta’)
Correct Answer:- Option-B
Question80:-The value of 4 cos A cos (60-A) cos (60 + A) is
A:-8 cos 3A
B:-4 cos 3A
C:-2 cos 3A
D:-cos 3A
Correct Answer:- Option-D
Question81:-Frequency of AC power distribution in India is
A:-230 Hz
B:-60 Hz
C:-50 Hz
D:-11 Hz
Correct Answer:- Option-C

Question82:-If 'n' number of resistors with 'R' Ohm each are connected in series and parallel separately, the equivalent
resistance will be

A:-nR and R/n
B:-(n+R) and (n-R)
C:-nR and n/R
D:-nR and (R-n)
Correct Answer:- Option-A
Question83:-The impedance in an R-L-C series circuit at Resonance condition will be
A:X/R
B:-R
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LECTURER IN MECHANICAL ENGINEERING : Video