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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011)
A fixed step by step procedure for finding the solution of a problem on computer is called

Algorithm
Software
Hardware
Logic

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DGVCL Exam Paper (11-12-2011)
Ybus used in power flow studies and Zbus used in short circuit studies

Are transpose of each other
Are the same
Are inverse of each other
Have no inter relation

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DGVCL Exam Paper (11-12-2011)
Which motor is used to start heavy loads?

Shunt motor
Cumulatively compounded motor
Differentially compounded motor
Series motor

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Torque in d.c motor = k* φ * Ia
In series motor φ α Ia
Tα I²
starting torque of dc series motor is high

DGVCL Exam Paper (11-12-2011)
The effect of electric shock on the human body depends on

Current
Voltage
All of these
Duration of contact

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DGVCL Exam Paper (11-12-2011)
The mutual inductance between two unity coupled coils of 9 H and 4 H is

36 H
6 H
2.2 H
13 H

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DGVCL Exam Paper (11-12-2011)
What happens to the contents of RAM (Random Access Memory) when the power of the computer is turned off?

Content gets corrupted
Content is lost
Content is transferred to other memory
Content remains intact

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