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Department of Electrical Engineering
ICEE
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Question 1 : HOW DOES THE RESISTANCE OF A CONDUCTOR VARY WITH TEMPERATURE
Option-1 :TEMPERATURE DECREASES RESISTANCE INCREASES
Option-2 :TEMPERATURE CONSTANT RESISTANCE IN CREASES
Option-3 :TEMPERATURE INCREASES RESISTANCE INCREASES
Option-4 :TEMPERATURE INCREASES RESISTANCE DECREASES
Question 2 : SKIN EFFECT IS CAUSED IN AC CIRCUITS DUE TO
Option-1 :HIGH RESISTANCE IN CONDUCTOR
Option-2 :HIGH IMPEDANCE IN THE SYSTEM
Option-3 :ALTERNATING NATURE OF CURRENT
Option-4 :INTERNAL MAGNETIC FLUX LINKAGE IN THE CONDUCTOR
Question 3 : The restricted earth fault relay is incorporated in the tranformer to protect the transformer from
Option-1 :external fault
Option-2 :fault in generator
Option-3 :internal & external
Option-4 :internal only
Question 4 : Restricted earth fault relays some timework as
Option-1 :single earth relay
Option-2 :over current relay
Option-3 :over voltage relay
Option-4 :differential relay
Question 5 : The cleaning of cooling radiatior is done by the use of
Option-1 :2% HCL
Option-2 :4% HNO3
Option-3 :8% H2 S04
Option-4 :12%NH4OH
Question 6 : diode is a
Option-1 :bi_directional device
Option-2 :uni_directional device
Option-3 :non_conducting device
Option-4 :protective device
Question 7 : the permissible voltage supply to the customer is
Option-1 :230+or-2%VAC
Option-2 :230+or-3%VAC
Option-3 :230+or-4%VAC
Option-4 :230+or-5%VAC
Question 8 : the percentage of fault in over a transmission line is higher in
Option-1 :syonetric fault
Option-2 :line to line
Option-3 :line to ground
Option-4 :line to neutrol
Question 9 : thyrisles is a
Option-1 :one layer device
Option-2 :two layer device
Option-3 :threelayer device
Option-4 :four layer device
Question 10 : for turning the thyrister on
Option-1 :negative voltage at gate is safficient
Option-2 :possitive voltage at mode is safficient
Option-3 :negative voltage at cathode is safficient
Option-4 :possiti9ve voltage at gate wirt cathode is required
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