How is normal speed for a DC motor obtained?
What will be an ideal response?
Normal speed for a DC motor is obtained by operating the motor with full rated voltage applied to the field and armature.
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Which of the following conditions is likely to result in a shock hazard?
a. Using a grounded extension cord b. Using a cord from which the grounding conductor has been removed c. Connecting a power tool to a GFCI-protected circuit d. Using a grounded plug in a three-prong receptacle
The material removed when cutting with saw blades creates a space called the __________.
Fill in the blank(s) with the appropriate word(s).
Animals posses a certain degree of immunity to all diseases
Indicate whether the statement is true or false
The development of "three sister" farming on the southeast Atlantic seaboard
A. led to the dominance of the potato. B. enabled the Anasazis to prosper. C. ultimately failed to produce adequate amounts of food. D. was attributed to three young women of the Cherokee peoples. E. produced a rich diet that led to high population densities.