Indian Engineering Service Electronics and Telecom Engineering previous year question

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Hello brother on your demand I am providing you Indian Engineering Service Electronics and Telecom Engineering previous year question paper………

Copper crystallizes into diamond
structure .
1. Lattice is FCC.
(a) 1 .only
(b) 1, 2 and 4
(c) 2 and 3 only
(d) 2,3 and 4

Its conductivity decreases with addition
of impurities. '
1 . It is a good conductor of heat also.
(a) I , 2, 3 and 4
(b) 1 only
(e) 2 and 3 only
(d) 3 and 4 only

Which .of the following materials is not an
insuJatnr ?
(a) . Diamond
(b) Graphite
(e) Bakeli te
(d) Lucite


The fuse material used in electrical lines must
have which one of the following properties?
(a) High resistivity
(b) Low conductivity
(c) High melting point
(d) Low melting point

Manganin, an alloy of copper and manganese,
is used in .
(a) Soldering material
(b) Heating elements
(c) Ballast resistors
(d) Standard resistances


Hysteresis loss in a transformer working at
220 V and at a frequency' of 50 Hz is 100 W.
'¥hen the transformer is operated at 220 V
and at a frequency of 100 Hz, what• is the
hysteresis loss?
(a) 50 W
(b) 100 W
. (c) 200 W
(d ) 400 W


Which of the following. IS not an
electromagnetic device?
(a) Hall transducer
(b) Transformer
(c) Speedometer
(d) Eddy current damping device


The ma terials not having negative
tc,mperature coefficient of resistivity are
(a) Metals
(b) Semiconductors
(c) Insulators
(d) None of the above


For more questions I am providing you pdf
Indian Engineering Service Electronics and Telecom Engineering previous
year question paper

Indian Engineering Service Electronics and Telecom Engineering previous year question paper