2. Technician A says that polymer electrolyte fuel cells (PEFCs) can use hydrogen as fuel. Technician B says that proton exchange membrane (PEM) fuel cells can use hydrogen as fuel. Which technician is correct?
A. Technician B only
B. Technician A only
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
3. Technician A says that polymer electrolyte fuel cells (PEFCs) can use hydrogen as fuel. Technician B says that proton exchange membrane (PEM) fuel cells can use hydrogen as fuel. Which technician is correct?
A. Technician B only
B. Technician A only
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
4. Technician A says that a slight delay occurs when the system switches the electric motor from powering the vehicle to regenerative braking. Technician B says that a hybrid electric vehicle will cost and weigh more than a conventional vehicle. Which technician is correct?
A. Neither Technician A nor Technician B
B. Technician A only
C. Both Technician A and Technician B
D. Technician B only
5. Two technicians are discussing the levels of hybrid electric vehicles. Technician A says that mild hybrid uses a 42-volt electrical motor and battery package (36 V batteries, 42 V charging). Technician B says a medium hybrid uses a 300–500 V battery pack. Which technician is correct?
A. Technician B only
B. Neither Technician A nor Technician B
C. Technician A only
D. Both Technician A and Technician B
6. Contamination with _______ gas can disable the catalyst of a proton exchange membrane fuel cell.
A. CO2
B. NO
C. CO
D. N2O
7. In what temperature range do batteries work best?
A. 35°F to 65°F (2°C to 18°C)
B. 90°F to 110°F (32°C to 43°C)
C. 68°F to 78°F (20°C to 26°C)
D. 0°F to 32°F (–18°C to 0°C)
8. What's the technician doing in the photograph?
A. Checking for leaks
B. Checking glove for stretch
C. Checking glove for fit
D. Checking glove for strength
9. Technician A says many features used on today's hybrid electric vehicles were first used on GM's EV1. Technician B says the energy crisis in the 1970s forced Americans to examine their dependence on fossil fuel. Which technician is correct?
A. Neither Technician A nor Technician B
B. Technician B only
C. Technician A only
D. Both Technician A and Technician B
12. Two technicians are discussing how to tow or move a hybrid electric vehicle. Technician A says if a disabled vehicle needs to be moved a short distance you can shift the transmission into neutral and manually push the vehicle. Technician B says that to transport a vehicle away from an emergency location, a flatbed truck is the best option. Which technician is correct?
A. Both Technician A and Technician B
B. Technician A only
C. Technician B only
D. Neither Technician A nor Technician B
13. What type of hybrid system uses a combination starter and alternator to provide idle stop function to conventional vehicles?
A. Mega-hybrid drive
B. Macro-hybrid drive
C. Micro-hybrid drive
D. Mini-drive hybrid drive
14. If the 12-volt auxiliary battery of a hybrid vehicle is located under the hood it's most likely a/an _______ battery.
A. NiCad
B. AGM
C. flooded
D. gel-cell
15. Two technicians are describing a hybrid electric vehicle. Technician A says that most hybrid vehicles use two different methods of propulsion. Technician B says that most hybrid electric vehicles use both an internal combustion engine and an electric motor to propel the vehicle. Which technician is correct?
A. Technician B only
B. Both Technician A and Technician B
C. Neither Technician A nor Technician B
D. Technician A only
16. How is the high-voltage battery in a plug-in hybrid electric vehicle (PHEV) most efficiently charged?
A. It's charged by operating the ICE at idle after returning from a trip.
B. The ICE turns the motor/generator to fully charge the HV battery.
C. It can be charged to full capacity only by using a specialized high-voltage charger at the dealer.
D. It's plugged into an external charging station or electrical outlet.
17. How often should lineman's gloves be inspected by a qualified testing lab?
A. Weekly
B. Every six months
C. Yearly
D. Every two months
18. Which of the following conduit colors does not indicate a high-voltage cable?
A. Black
B. Blue
C. Orange
D. Yellow
19. On a hybrid electric vehicle that uses a start button instead of an ignition key, what precaution should be taken when de-powering the vehicle?
A. Make sure the key fob is at least 15 feet away from the vehicle.
B. Make sure the key fob is outside the vehicle.
C. Make sure the key fob is locked in a box in the trunk.
D. No special precautions are needed.