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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN TEXTILE TECHNOLOGY (NCA) TECHNICAL EDUCATION' And exam conducted in the year 2019. And Question paper code was '039/2019/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.

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D:-*2Delta_(1)=Delta_(2)"

Correct Answer:- Option-B

Question19:-The coefficient of *p~(2)q9~(3)" in the expansion of *(2p-3q}* (5} is

A:--1080

B:-720

5720

D:-1080

Correct Answer:- Option-A

Question20:-sin 390 tan 30 + sin 120 is

&- (0/2)

8:-5011(3)/2)*

~ (2)/5पा1(3)`

0-1

Correct Answer:- Option-C

Question21:-The equation of a straight line making an angle 135° with positive direction of x-axis and cutting an intercept 5

Disy=5x-1

Correct Answer:- Option-C

11൩ 6) (1150-10 ௩

0: 0/8

Correct Answer:- Option-B

Question23:-The sum of two numbers is 2. Find the smallest value possible for the sum of the square of one number and the

cube of the other

A:-1.9354

B:-6

5-2.

D:-5.3583

Correct Answer:- Option-A

Question24:-"int (0/(4452-2)-(3/2) ' 5

(12)ہ(2ہہر+3(/)2()4)-ھ + दो

ے +(2ہہمر+4(/59۲۲)4)“-:5

0൮45141572)” --€

0:- 04)/{2} +`

Correct Answer:- Option-C

Question25:-The solution of “dy/dx=(y}{x{(x+1}}

Ay (x+1)=c

B:-xy=c{1+x}

Ci-x{x+y)=cy

D:-y(x+1)=cx

Correct Answer:- Option-D

Question26:-If A is a matrix then Aadj A} is

ക്ക

8:-4^(-1}`

0:೬ |

0:1

Correct Answer:- Option-C

Question27:-Inverse of the matrix A = *[[ prop,-sin prop].[sin prop,cos prop]] is™

A:-"[[cos prop, sin propl[-sin prop, cos றற]!

B:-*[[-cos prop,-sin propl.[sin prop,-cos ரா]!

C:-*[[cos prop,-sin propl.[-sin prop,-tos றா]!

D:-"[[-cos prop,sin ೧೧೦೧],[51 ೧೦0,೧೦5 ೧೦೧11

Correct Answer:- Option-A

Question28:-The value of x satisfying the following system is 2x-y+33=8; -x+2y+3=4; 3x+y-43=0

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