Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT ENGINEER ELECTRICAL DIRECT AND BY TRANSFER KSEB' And exam conducted in the year 2014. And Question paper code was '193/2014'. 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.
28. An autotransformer has a transformation ratio أن 0.7, supplies a load of 2 KW. The power
transferred conductively from primary to secondary is :
ക്ര 0.6 एफ 1 (B) ۲٣
(¢) 01 (D) None of the above
26, The number of armature parallel paths in a triplex, lap wound, 12 pole, dc generator :
Ay 12 B) 24
(0) 36 ய) 6
97. The full load copper loss of a transformer is 1200 W its copper loss at 50% load would be :
(^) 300W (0) 600%
(¢) 1200W (1) 1600 W
28, A 400 KVA, 200 Hz transformer is operated at 100 Iz, its KVA rating is :
ക 200 KVA . (B) 400 KVA
(C) 800 KVA (D) 2000 KVA
29. Over excited synchronous generator runs at :
(ക) leading pf (18) lagging pf
(ರ) प्रण (D) none of the above
30. The voltage between adjacent 00118 in a cross over winding of a transformer should not be
greater than :
(^) 500-017 (ए) 800-1000 V
(८) 1200-07 (D) 200-100 1
81. The percentage of silicon in transformer stampings is usually limited to :
(ಗ) 0.4% B 1.4%
(0) 6 യ 14%
82. The permeability of a material is 0.999991, it is classified as :
(ಗ) paramagnetic (18) diamagnetic
(0 [ferromagnetic (D) ferrite
193/2014 6 A
