Kerala PSC Previous Years Question Paper & Answer
Page:7
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'VOCATIONAL INSTRUCTOR IN MAINTENANCE AND REPAIRS OF DOMESTIC APPLIANCES VOCATIONAL HIGHER SECONDARY EDUCATION DEPARTMENT' And exam conducted in the year 2017. And Question paper code was '144/2017'. 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.
00110 V. transformer when tested
१५६ the following
asurements on th
L.V side : 400 W, BA, 110V
urements on the FLV side : 1200
W, 10.5 A, 90 V
ad officx
ntage ncy 15
ല് 10൨ and indw in sories across 230 V 50 11
Then approximate current flow
(A)
ഭട. Bxcitor in Alternator is used for supp
(ಸ) 110 (00)
ര” AC 7)
15. The value of load angle for a synchronous mator depends mainly upor
(A) excitation )
(0) My
16, ance of the load which takes a power of 5 KW from a erator whoso
೩1 characteristic is given by the equation V - (250 - 0.51)
ക 8 (9 125
© 128 നു 148
47. What should be the kW rating of the motor which drives a 80 having an
efficiancy of KR8 !
(8) M) 85 kW
{©} (D) وو ۴
8. Laminated yoke in a de motor can reduce
(A) Tron loss 0
Temparature rise ™y
19 arange, red, gold. [13 value hies between
(7)
D)
144/2017 8
