Chapter 94 - Hybrid Safety and Service Procedures - Chapter Quiz Questions

Both a and b

A CAT III-certified DMM should be used whenever measuring high-voltage circuits or components. The CAT-III rating relates to ________. a. high voltage b. high energy c. high electrical resistance d. Both a and b

Opening the driver's door

All of the following shut off the high voltage to components and circuits, except ________. a. Opening the driver's door b. Turning the ignition off c. Disconnecting the 12-volt auxiliary battery d. Removing the main fuse, relay, or HV plug

High voltage is generated by the motor/generator

What can occur if a hybrid electric vehicle is pushed in the shop? a. The HV battery pack can be damaged b. The tires are locked unless the ignition is on c. Damage to the electronic controller can occur d. High voltage is generated by the motor/generator

150°F (66°C)

Nickel-metal hybride (NiMH) batteries can be damaged if exposed to temperatures higher than about ________. a. 150°F (66°C) b. 175°F (79°C) c. 200°F (93°C) d. 225°F (107°C)

Both Technicians A and B

Two technicians are discussing jump starting a hybrid electric vehicle. Technician A says that the high-voltage batteries can be jumped on all HEV models. Technician B says that the 12-volt auxiliary battery can be jumped using a conventional jump box or jumper. Which technician is correct? a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor B

Either a or b

What routine service procedure could result in lower fuel economy, which the owner may discover? a. Using the wrong viscosity engine oil b. Replacing tires c. Replacing the air filter d. Either a or b

Is electrically grounded to the frame (body) of the vehicle

Which statement is false about high-voltage wiring? a. Connects the battery pack to the electric controller b. Connects the controller to the motor/generator c. Is electrically grounded to the frame (body) of the vehicle d. Is controlled by a relay that opens if the ignition is off

Technician B only

If the engine is not running, Technician A says that the high-voltage circuits are de-powered. Technician B says that all high-voltage wiring is orange-colored. Which technician is correct? a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor B

Both Technicians A and B

Rubber gloves should be worn whenever working on or near the high-voltage circuits or components of a hybrid electric vehicle. Technician A says that the rubber gloves should be rated at 1,000 volts or higher. Technician B says that leather gloves should be worn over the high voltage rubber gloves. Which technician is correct? a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor B

screws

The local interlock system on a hybrid vehicle detects when ________ have been removed from high-voltage circuits. a. covers b. screws c. cables d. bolts