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GETCO Exam Paper (11-06-2017)

GETCO Exam Paper (11-06-2017)
For which one of the following materials, is the Hall Coefficient zero?

Metal
Alloy
Intrinsic semiconductor
Insulator

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GETCO Exam Paper (11-06-2017)
Who wrote the famous book - "We the people"?

T.N.Kaul
J.R.D. Tata
Nani Palkhivala
Khushwant Singh

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GETCO Exam Paper (11-06-2017)
The injection of VARs is required to

compensate for line losses
all
increase the voltage at the receiving end
get a good voltage profile

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GETCO Exam Paper (11-06-2017)
Current rating is not necessary in case of

circuit breakers and load break switches
circuit breakers
isolators
load break switches

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GETCO Exam Paper (11-06-2017)
If the reading of two wattmeters are equal and positive in two wattmeter method, the load power factor in abalanced 3-phase 3-wire circuit will be

unity
0.5
0.866
zero

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

W1 = W2 (+Ve) → PF = 1
W1, W2 Positive → PF > 0.5
W1 +Ve, W2 = 0 → PF = 0.5
W1 +Ve, W2 = -Ve → PF < 0.5
W1 = - W2 → PF = 0

GETCO Exam Paper (11-06-2017)
SCADA is

data monitoring and control
all
real time data acquisition and processing
data storing

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