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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
In rotating electrical machines, the insulation temperature limit for class B type is

130˚C
150˚C
180˚C
105˚C

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

insulation Class and temperature limit(in ˚C) is given below:
Y - 90
A- 105
E- 120
B-130
F-155
H-180
C- above 180

GETCO Exam Paper (22-07-2015)
No load efficiency of tranformer is _____ than full load efficiency

lesser
greater
same
depends on load

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GETCO Exam Paper (22-07-2015)
For given kVAR and line voltage the ratio of star to delta value of capacitor is

0.33333333333333
1.73
3
1

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GETCO Exam Paper (22-07-2015)
Fuel cell for power generation have drawback of _____

Synchronization problems
Low life span
Noise, pollution and maintenance problems
Very high development costs

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GETCO Exam Paper (22-07-2015)
Who is the vice president of India? (As on 22/07/2015)

Dr. Hamid Ansari
Nazama heptulla
Pranav Mukharjee
O.P. Kohli

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GETCO Exam Paper (22-07-2015)
In the standard B-H curve X axis and Y axis intercepts respctively represents

coercive force and residual magnetism
Flux and MMF
Hysteresis loss and Flux
residual magnetism and coercive force

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