Virtual Labs

Control of Group Operated Switches (GOS) from workstation

Isolators are

a: Manually operated Explanation

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b: Motorized Explanation

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c: Both Manually operated and Motorized Explanation

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d: None Explanation

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Gas Insulated Switchgear (GIS) offers

a: High reliability, lower stability and maintenance free feature in much larger space compared with conventional switchgear Explanation

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b: High reliability, higher safety and maintenance free feature in much larger space compared with conventional switchgear Explanation

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c: High reliability, lower safety and maintenance free feature in much smaller space compared with conventional switchgear Explanation

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d: High reliability, higher safety and maintenance free feature in much smaller space compared with conventional switchgear Explanation

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The space requirement of GIS can be less than ______ of the space taken up by an equivalent conventional installation.

a: 5% Explanation

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b: 10% Explanation

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c: 25% Explanation

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d: 15% Explanation

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Functions of switchgear are

a: To localize the effects of faults by operation of protective equipment and so automatically disconnect faulty point from the system Explanation

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b: To break efficiently the short circuits without giving rise to dangerous conditions Explanation

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c: To facilitate the redistribution of local, inspection and maintenance on the system Explanation

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d: All Explanation

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