Voltmeter - ANSWERA high resistance is connected in series with the internal coil of a galvanometer to make?
If a transformer ratio is 20/1, what does it mean for the secondary? - ANSWERThe primary voltage is 20 times greater than that of the secondary.
If a motor enclosure is designed to con...
Voltmeter - ANSWERA high resistance is connected in series with the internal coil of a galvanometer
to make?
If a transformer ratio is 20/1, what does it mean for the secondary? - ANSWERThe primary voltage is
20 times greater than that of the secondary.
If a motor enclosure is designed to contain sparks or flashes that could ignite surrounding vapors or
gases, then the enclosure is considered to be which of the following: - ANSWERVentilated
The output of a 3-phase transformer is measured in what units? - ANSWERAmperes
In order to change the rotation of a DC series motor, what must be done? - ANSWERF1 and F2 must
be reversed.
What does Bonding do? - ANSWERControls the load on the system installation
A meter used to measure both AC and DC voltage and current is known as? - ANSWERMultimeter
What material is used on conduits inside and outside of a box? - ANSWERCouplings
If a transformer has a voltage step-down from 117 volts to 6 volts then the ratio of the transformer is
equal to what? - ANSWER1: 19, 5
If the power factor of a circuit is increased, then what occurs? - ANSWERThe reactive power is
decreased
In a 3Ø circuit, how many electrical degrees separate each phase: - ANSWER120
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