ACDC 50 Question Quiz
2019 Hybrid Certification Exam. If you take longer than 2 hours and 30 Minutes to complete the test, you results will not be accepted and you will be required to re-take the test in the allotted amount of time.
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1. All of the following statements concerning absorbed glass mat (AGM) batteries are true, EXCEPT: *
2 points
2.) NiMH batteries are being discussed.Technician A says "the electrolyte from a collision-damaged NiMH battery is a brown liquid." Technician B says "the electrolyte in a NiMH battery is not a liquid but more of a paste and does not leak out when a cell is cracked." Which technician (s) is correct?
2 points
3.) The state-of-charge (SOC) is shown on a scan tool for a NiMH battery pack. Tech A says "it is always an estimate and can be off by 5% or more." Tech B says "that SOC on a NiMH can be calculated by knowing the voltage level and temperature."  Who is right?
2 points
4.) High voltage (HV) battery pack cooling is being discussed.Technician A says "some hybrid HV battery packs are air-cooled." Technician B says "that some hybrid vehicles use another zone in the A/C system to cool the HV battery pack." Which technician(s) is correct?
2 points
5.) Scan tool data indicates that a hybrid vehicle’s HV battery pack has been overheating.  The LEAST LIKELY cause is:
2 points
6.) High-voltage battery packs used in HEV are being discussed.Technician A says "that a high-voltage battery pack is made up of many individual cells connected in parallel." Technician B says "that if one of the battery’s cells developed an open circuit, the battery would have zero output." Which technician(s) is correct?
2 points
7.) The HV battery has been disconnected in a hybrid vehicle, but there is still high voltage being measured on the orange power cables at the dc side of the inverter.  The MOST LIKELY cause would be:
2 points
8.) High voltage may be used in all of the following components of a hybrid vehicle, EXCEPT:
2 points
9.) Electric Power Steering (EPS) systems used in today’s EMVs are always electric- over-hydraulic, and use a special non-conductive power steering fluid.
2 points
10.) Technician A says "that high-voltage linesman gloves should be leak-tested by inflating to them to 10 psi with compressed air." Technician B says "that OSHA in the USA requires that these gloves be tested and certified every six months." Which technician(s) is correct?
2 points
11.) All of the following are approved safety guidelines regarding high voltage rubber linesman’s gloves, EXCEPT:
2 points
12.) Because of the effectiveness of the regenerative braking systems on EMVs, the mechanical braking systems are hardly used, which causes the rotors and calipers to corrode. For this reason, all brake components on EMVs are made from stainless steel.
2 points
13.) A Ford Escape, M/Y 2006, is in for service. It has been one year since it was purchased used.  It has 155,000 miles. Lots of city miles. What should you service?  Check all that apply.
2 points
14.) A Honda Insight I (2000 – 2006) customer has a problem with the HV battery indicator dropping to zero overnight once or twice a year. What is the most likely problem?
2 points
15.) A Classic Prius (01-03) had the recall done on the HV battery pack. Shortly afterwards the MIL lamp sets with a code for internal HV short to ground. What is the most likely problem?
2 points
16.) A 2006 Accord hybrid will not go into Idle stop.  Check all that apply.
2 points
17.) A 2010 Insight has a low HV battery SOC. What method(s) do we have to recharge the HV battery?  Check all that apply.
2 points
18.) A technician sees visual damage on an orange cable to the insulation. What should the technician do next? Technician A says “If there is a problem with the cable, the Hybrid ECM will detect it, and the HV system will be shut down.” Technician B says “Replace the cable first and then proceed. Why take chances?” Which technician(s) is correct?
2 points
19.) A standard shift Honda hybrid has a slipping clutch and needs a clutch and rear main seal. The technician says he will need a special tool. Is this true or false?
2 points
20.) HEV hydraulic braking systems are being discussed. Technician A says "that these systems are completely different from those used in conventional vehicles, in that they all use High-Voltage pumps to increase efficiency, and require a specially formulated brake fluid that is non-conductive." Technician B says "that the hydraulic systems used in most HEVs function in much the same way as the ABS systems found on conventional vehicles, and provide ABS, Stability, and Traction Control functions." Which technician(s) is correct?
2 points
21.) A 2005 Civic Hybrid comes in with a shudder at low speed (CVT transmission) when first starting off after it has warmed up. What is the most likely problem?
2 points
22.) A 2005 Accord hybrid needs to have the service switch moved to “off” before a hybrid service procedure is done. Where is the switch located?
2 points
23.) How many volts does the 2006 Civic Hybrid operate on?
2 points
24.) How many inverters (HV Motor Controllers) does a 2006 RX400h 4WD have on board.
2 points
25.) What OEM’s use HV in their A/C compressors?  Check all that apply.
2 points
26.) Some A/C systems in hybrid use R1234yf instead of R134a.
2 points
27.) What is the minimum amount of DC volts and amps considered to be lethal?
2 points
28.) What does READY on the dash?
2 points
29.) How many volts does a good NiMH cell have?
2 points
30.) What are the reasons for having a 12 volt battery on board any Toyota Hybrid?  Check the answer(s) that apply.
2 points
31.) What OEM hybrid system uses a 12 volt starter? Check all that apply.
2 points
32.) How many volts does the GM BAS (2007 -2010) hybrid have in their NiMH battery box?
2 points
33.) EMV braking systems are being discussed. Technician A states "that most EMVs use a ‘stroke simulator’ to give the driver the brake pedal feel of a conventional vehicle." Technician B states "that some EMVs use a hydraulic buffer in the stroke simulator, and that its fluid must be serviced regularly to ensure proper operation." Which technician(s) is correct?
2 points
34.) A (2004-2009) Prius is towed into your shop and will not start. The gas gauge shows ¼ tank.  It will crank. What is the most likely cause.
2 points
35.) A North American (2004-2009) Prius needs the heater core replaced.Technician A says “Watch out for HV at the heater grid, as the Prius uses a pre heater to warm the heater core”. Technician B says “Disconnect a 12 volt pump that may re cycle hot coolant so you do not get scalded with hot water." Which technician(s) is correct?
2 points
36.) A good hybrid technician says “Because the ICE is shutting off and on at idle; oil changes are recommended more frequently by the OEM’s”.  Is this true?
2 points
37.) What EMV uses an all aluminum body / chassis?
2 points
38.) The Air Bags have gone off in a BMW hybrid.  How does this affect the Hybrid system?  Check all that apply.
2 points
39.) What is the minimum and maximum voltage levels used in the battery packs with orange cabling onto today's hybrids?
2 points
40.) What precaution should be used when recharging any A/C compressor with a HV system?
2 points
41.) If the NiMH battery electrolyte gets on your skin, what should you do? (Check all that apply)
2 points
42.) A code is set for a defective NiMH battery pack in a Civic Hybrid 2009. You cleared the codes, road tested the car, and the code came right back. What advice do you give your customer? (Check all that apply)
2 points
43.) The inverter / transaxle coolant needs to be replaced under maintenance on a Ford Escape hybrid. Does this have a coolant drain bolt? Yes or no?
2 points
44.) The "regenerative braking system" will not work on a 2005 Honda Insight. Everything checks out OK. What may have been overlooked? Check only 1 box.
2 points
45.) An early Prius (2002) owner complained of poor mpg. He lives in the Massachusetts and it is winter. The mpg is 39. Do we have a problem?
2 points
46.) A 2015 Prius is still under the hybrid warranty. It is towed in and will not start. The 12 volt battery is OK and you have a factory scanner. What SOC is required for the HV battery to have enough energy to crank MG1?
2 points
47.) A Technician has a Ford Escape Hybrid (2005 – 2008) in the bay. A brake inspection is required. The pads need replacement. What precautions should be used?
2 points
48.) EMV high-voltage cables are being discussed. Technician A states "that due to the high-voltage and current, that the cables are required to carry, they are all constructed of a specially designed aluminum alloy." Technician B states "that due to the high-voltage and high-current nature of the HV cables some of them have special shielding built into the cables to prevent Electro Magnetic Interference from effecting the vehicle’s computer systems." Which technician(s) is correct?
2 points
49.) What gas below can be reduced significantly in a hybrid, that a “gas only” engine of equal performance can not do?
2 points
50.) A customer wants you to check out a used hybrid with a NiMH battery. Their main concern is the HV battery condition. They have authorized 30 minutes for this inspection. What can you do to help them out?
2 points
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