When two dissimilar metals are joined at one end, and that junction is heated, a voltage is produced.
Answer the following statement true (T) or false (F)
True
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Feeder conductor size is adjusted when _____.
a. the ambient temperature that the conductors will pass through is more than 30?C (86°F) b. there is a 2% voltage drop c. there are more than three current-carrying conductors in the raceway d. the load to be supplied is a noncontinuous duty load
?_____ in the thermostat expands to cause it to open.
What will be an ideal response?
In surface mining at the tops of mountains, ____
a. huge pits are dug to extract the coal b. the use of explosives is not permitted c. the overburden is placed back on the mountain top after the coal is extracted d. the entire top of the mountain is blasted away
All ruminant animals gather and ingest food the same way
Indicate whether the statement is true or false