What does it mean for a current transformer to have a ratio of 150:5?
What will be an ideal response?
ANSWER: This ratio means that when 150 amperes of current flows through the primary, which is the line connected to the motor, the transformer secondary produces a current of 5 amperes when the secondary terminals are shorted together.
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The ____ simply states that a gas or liquid that’s flowing through a narrowed-down section of a passage will increase in speed and decrease in pressure compared with the speed and pressure in wider sections of the passageway.
a. Bernoulli principle b. Newton principle c. Einstein principle d. Venturi principle
What are the two basic types of motor drives used today?
What will be an ideal response?
The symbol for inductance is ____.
A. H B. I C. J D. L
Match the line symbols with the terms they represent.
A. hydraulic signal B. software link C. sonic signal D. instrument supply E. F. G. H. I. J. K.