Hybrid Book - Chapter 11
- 1.
The typical HEV high-voltage fuse rating is approximately ___ A.
- A.
100
- B.
200
- C.
500
- D.
1,000
Correct Answer
B. 200 -
- 2.
In most manufacturer systems, the high-voltage fuse is located in the ___.
- A.
Power inverter
- B.
Manual or service disconnect
- C.
Battery pack
- D.
DC-DC converter
Correct Answer
B. Manual or service disconnect -
- 3.
A Toyota Prius uses ___ to connect battery modules.
- A.
Busbars
- B.
Cables
- C.
Welded tabs
- D.
Looped membranes
Correct Answer
A. Busbars -
- 4.
If the precharge process fails, the high-voltage system will ___.
- A.
Charge the battery pack
- B.
Disable propulsion
- C.
Enable limp-home mode
- D.
Discharge the battery pack
Correct Answer
B. Disable propulsion -
- 5.
The battery-pack controller monitors the voltage of each battery module, or pair of battery modules, as one of the inputs to determine the ___.
- A.
State-of-charge
- B.
Power inverter resistance
- C.
Current-sensor learn cycle
- D.
Propulsion system torque level
Correct Answer
A. State-of-charge -
- 6.
The primary reason for the precharge system is to protect the ___.
- A.
Power inverter transistors
- B.
Bus capacitors
- C.
Battery-pack controller
- D.
DC-DC converter transformer
Correct Answer
B. Bus capacitors -
- 7.
During regenerative braking, the controller recovers energy that was lost during ___.
- A.
Coasting
- B.
Acceleration
- C.
Braking
- D.
Cornering
Correct Answer
B. Acceleration -
- 8.
To monitor the temperature of battery-pack modules, thermistor sensors are placed or mounted ___.
- A.
In front of the cooling fan
- B.
Behind the cooling fan
- C.
On or in critical battery modules
- D.
At each end of the battery pack
Correct Answer
C. On or in critical battery modules -
- 9.
The braided shielding around each high-voltage cable is used to eliminate or reduce the effects of ___.
- A.
ESD
- B.
RFI
- C.
PWM
- D.
EMI
Correct Answer
D. EMI -
- 10.
The two categories of battery-pack thermal (cooling) systems are ___.
- A.
Open and closed flow
- B.
Forward and reverse flow
- C.
Passive and active
- D.
Over and under airflow
Correct Answer
C. Passive and active -
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Mar 14, 2022Quiz Edited by
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Dec 19, 2012Quiz Created by
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