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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.
70.
-
ನ
b 2910 two 20 Q a heating 6107166 113 parullel connected 1o وط
۷ 0. با 7
(೮) 2000 W M) 2646 W
Ay \ting current is given by sin f current is
५) 3A
1.69A )€(
സ യേയ് of 3 phase power by two-wattmoter method. if one wulimeter IEGs
೧08211೪ ೫೮೧6110, 1 factor of the e i
above 0 ന്മ )\
pelow 0.5 D) (
H in accumulator to 83 H 38 1
(B) SWAP
سمط )(
i A at a power factor of 0.6 lag
(९) 45 (೫). 103.78
© 0 D) 3
The main advantage uf using امم h winding 15 10 reduce
(^) size of the m (ए) 088170111೧8 17 the emi
(൬ amount of copper in the winding @) sparking in the machine
10 هما مم تو .منص serics with 1 mogaohm resistor 18 ധന ഉയ
100V D ts time constant
ക്ര 0.1 (೫) 1696
യ 1 ॐ 17( 0.001 st
1 86 3]: 18:32) 814 (30.01- ] we connected 11 series and the
s @ purrent of 24, Then supply voltage is
(8) 04.8%
( 31 \ 11) ٤7۴
144/2017 11
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