1.Moisture content in the soil _________ the earth soil resistance.
A. Increase
B. Decrease
C. Does not affect
2.In an ungrounded system,the occurrence of second fault will more likely be _________ than grounded system fault.
MORE severe or LESS severe?
3.The neutral of any grounded system will permit the flow of the current through the conductor when the unbalanced load is connected.
TRUE or FALSE?
4.Our Earth is a negatively charged body.
TRUE or FALSE?
5.In order to achieved continuity of the operation even during fault condition,which type of configuration is preferred?
GROUNDED SYSTEM or UNGROUNDED SYSTEM?
Answers & Comments
Answer:
1.B
2.More severe
3.TRUE
4.TRUE
5.Ungrounded System
I'm not sure sa number 4
Answer:
1.The lower layers of the soil have greater moisture content and lower resistivity. With the increase in moisture content, the resistivity decreases and hence soil resistance decreases.
2.Grounded” means that the connection to ground between the service panel and earth has been made. Ungrounded electrical systems are used where the designer does not want the overcurrent protection device to clear in the event of a ground
3.True
4.False
5.Grounded system
Explanation:
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