For the Protection of Lines Against Faults Involving Variable Fault

question 13

Multiple Choice

For the protection of lines against faults involving variable fault resistance, the preferred relaying scheme is a

• A)Plain impedance relay
• B)Directional over-current relay
• C)Mho relay
• D)Reactance relay

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Definitions:

Fractions

Represents parts of a whole or a collection, expressed with different numbers on the top (numerator) and bottom (denominator) of a slash or line.

Whole Numbers

Non-negative integers, including zero, without any fractional or decimal parts.

Fractions

A mathematical expression representing the division of one quantity by another, typically written with a numerator above a denominator.

Lowest Terms

A fraction reduced to the lowest possible terms while retaining its original value.