Automotive electrical and electronics Unit one Questions and Correct Answers

Automotive electrical and electronics Unit one Questions and Correct Answers Technician A says once the service plug is disconnected there is no high voltage in the vehicle systems. Technician B says prior to disconnecting the high-voltage service plug, the vehicle must be turned off and the auxiliary battery may need to be disconnected. Who is correct? - Correct Answer b. B only Technician A says safety glasses are sufficient when working with battery acid and refrigerants. Technician B says full-face shields are designed to provide protection for the face, neck, and eyes of the technician. - Correct Answer d. Neither A nor B Technician A says electrical fires are extinguished with Class A fire extinguishers. Technician B says gasoline is extinguished with Class B fire extinguishers. - Correct Answer b. B only Which of the following is not included in proper gasoline spill cleanup? a. Spread absorbent material to stop the flow and soak up the gasoline. b. Immediate containment of the spill. c. Use a soap and water solution to wash the gasoline into a container. d. Be aware that the absorbent does not reduce flammability concerns - Correct Answer c. Use a soap and water solution to wash the gasoline into a container. Technician A says material safety data sheets (MSDS) explain employers' and employees' responsibilities regarding handling and disposal of hazardous materials. Technician B says material safety data sheets (MSDS) contain specific information about hazardous materials. Who is correct? - Correct Answer b. B only Which of the following statements on HEV safety is correct? a. Always place the high-voltage service plug where someone will not accidentally reinstall it. b. Use a voltmeter set on 400 VDC to determine if the high-voltage system voltage is at 0 volts before servicing.