ARIZONA OPTOMETRY
JURISPRUDENCE
1. How does a U.P.S. (uninterruptable power supply) work?
ANSWER AC rectified to DC batteries then inverted to AC
2. Batteries energy capacity is measured in
ANSWER Amp-hours
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25
,3. Batteries have two rated values
ANSWER
ANSWER Voltage and Amp-hours
4. How do you top off water in a battery cell?
ANSWER Distilled water when the level is below the plates
5. A voltage monitor relay is used for
ANSWER
ANSWER Starting backup generators
6. Fuel for diesel generators is often stored in a
ANSWER
ANSWER Day tank
7. converts between electrical and mechanical power
ANSWER Motor, Gener- ator, Alternator
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, 8. The Field Winding on a generator
ANSWER Produces the magnetic field
9. The stationary member of a generator is called a
ANSWER Stator
10. A motor
ANSWER Converts electrical energy into mechanical energy
11. An armature is
ANSWER
ANSWER The movable portion of a contactor
12. In a process control, delay is
ANSWER
ANSWER The time it takes for a change in the process to be felt
13. What is the difference between a contactor and a starter?
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JURISPRUDENCE
1. How does a U.P.S. (uninterruptable power supply) work?
ANSWER AC rectified to DC batteries then inverted to AC
2. Batteries energy capacity is measured in
ANSWER Amp-hours
1/
25
,3. Batteries have two rated values
ANSWER
ANSWER Voltage and Amp-hours
4. How do you top off water in a battery cell?
ANSWER Distilled water when the level is below the plates
5. A voltage monitor relay is used for
ANSWER
ANSWER Starting backup generators
6. Fuel for diesel generators is often stored in a
ANSWER
ANSWER Day tank
7. converts between electrical and mechanical power
ANSWER Motor, Gener- ator, Alternator
2/
25
, 8. The Field Winding on a generator
ANSWER Produces the magnetic field
9. The stationary member of a generator is called a
ANSWER Stator
10. A motor
ANSWER Converts electrical energy into mechanical energy
11. An armature is
ANSWER
ANSWER The movable portion of a contactor
12. In a process control, delay is
ANSWER
ANSWER The time it takes for a change in the process to be felt
13. What is the difference between a contactor and a starter?
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25
