Hybrid Book - Chapter 2
10 Questions
| Attempts: 90
Hybrid EV Tech Book - Chapter 2
Questions and Answers
- 1.High-voltage electrical systems and components are always ____.
- A.
Electrically isolated from the vehicle chassis ground
- B.
Electrically connected to the vehicle chassis ground
- C.
Rated at CAT III
- D.
Rated at CAT IV
- 2.Multimeters should be rated at ___ when used to analyze a high-voltage hybrid system.
- A.
CAT I-600 V
- B.
CAT II-6000 V
- C.
CAT III-1000 V
- D.
CAT IV-2000V
- 3.A technician should assume that a circuit contains high-voltage when a wire, cable, or cable is colored ___.
- A.
Blue
- B.
Red
- C.
Orange
- D.
Gray
- 4.___ is the component of electricity that causes injury.
- A.
Current
- B.
Voltage
- C.
Resistance
- D.
Humidity
- 5.When using an oscilloscope to measure high voltage, it is recommended that a technician connect a(n) ___ probe to the oscilloscope.
- A.
Isolation amplifier
- B.
Logic scope
- C.
Differential amplifier
- D.
Differential scope
- 6.A Class 0 glove is rated to provide protection up to ___ V.
- A.
500
- B.
1,000
- C.
10,000
- D.
15,000
- 7.An insulation tester measures the insulation ___ to check for a damaged component.
- A.
Voltage
- B.
Current
- C.
Resistance
- D.
Power
- 8.High-voltage electrical-safety gloves are used to safeguard a technician if a(n) ___.
- A.
Isolation fault is present
- B.
Repair is needed on a positive high-voltage circuit
- C.
Repair is needed on a high-voltage component
- D.
All of the above
- 9.A(n) ___ applies high voltage to a circuit and measures the resistance between two test points.
- A.
Multimeter
- B.
Insulation tester
- C.
Oscilloscope
- D.
Differential scope probe
- 10.The typical voltage test level specified by most manufacturers for an insulation meter is ___ V.
- A.
500
- B.
1,000
- C.
1,500
- D.
2,000
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