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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
Which Indian hindi movie is released most recently (as on 22/07/2015)?

Aisa Yeh Jahaan
Bin Roye
Bajarangi Bhaijaan
Drishyam

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GETCO Exam Paper (22-07-2015)
A transformer has negative voltage regulation when its load PF is

zero
lagging
leading
unity

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Voltage regulation = ((no load voltage)-(full load voltage)/(no load voltage))
VR at leading PF = ((I*R*cosφ)-(I*X*sinφ))/V
VR at lagging PF = ((I*R*cosφ)+(I*X*sinφ))/V

GETCO Exam Paper (22-07-2015)
An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is

150
100
300
200

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GETCO Exam Paper (22-07-2015)
The Z matrix of 2 port network is given by [0.9 0.2 : 0.2 0.6]. The element Y22 of the corresponding Y matrix of the same network is given by

1.8
1.2
-0.4
0.4

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GETCO Exam Paper (22-07-2015)
Current chopping phenomenon is related to

asymmetrical current
small inductive current
capacitance switching
resistance switching

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GETCO Exam Paper (22-07-2015)
The mechanical angle is _____ electrical angle

always less
lesser than or equal to
same
greater than or equal to

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Electrical angle = (P/2)*mechanicla angle

MORE MCQ ON GETCO Exam Paper (22-07-2015)

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