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New Topic  
aantonopoulos aantonopoulos
wrote...
Posts: 38
Rep: 0 0
5 years ago
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.
 

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Replies
wrote...
Educator
5 years ago
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

Both are correct.
Post Merge: 5 years ago

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

Technician B is definitely correct. I'm not entirely sure about tech A, though. I would say it's correct too.

Post Merge: 5 years ago

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

A mild hybrid costs less, but saves less fuel (8% to 15%) compared to a full hybrid vehicle and usually uses a 42-volt electrical motor and battery package (36-volt batteries, 42-volt charging).

Medium Hybrid Using voltages of about 144 to 158 volts, a medium hybrid provides engine stop/start, regenerative braking, and power assist.

Neither are correct!
Post Merge: 5 years ago

6.   Contamination with _______ gas can disable the catalyst of a proton exchange membrane fuel cell.
 
A. CO2
B. NO
C. CO
D. N2O

C is the answer

Post Merge: 5 years ago

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)

Depends on the source, I found C to be correct. The ideal operating temperature for an automotive battery is 26.7 C.
Post Merge: 5 years ago

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

Information missing, please provide the picture.
Post Merge: 5 years ago

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

The EV was completely electric, so I don't think Tech A is right. Tech B is correct.

Take your pick.

Post Merge: 5 years ago

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

I believe only Tech B.

Some electric cars, unlike their gasoline or diesel counterparts, don't have a neutral position in the transmission. They can go forwards or backwards, but when they're not doing either the motor is still connected to the wheels - it just doesn't have any power driving it.

The neutral position in a regular car means that should your car need to be towed to an impound or recovered, it's fairly simple to do so and the car can be towed freely without rotating transmission or engine components. This is not the case with an electric car - when the wheels turn, they'll turn the motor with it and this can result in damage to the motor. Particularly in vehicles with a liquid cooling system, turning the motor at high RPM without this system working can overheat the motor to destruction.
Post Merge: 5 years ago

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

C
wrote...
Educator
5 years ago
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