Chapter 2 Homework 2
Technician A says that high-voltage electrical circuits may be turned off by removing a service plug. Technician B says that high-voltage electrical circuits will be turned off by disconnecting the low-voltage battery. Who is right?
A only
Technician A says the right-to-know laws require employers to train employees regarding hazardous waste materials. Technician B says labeling of hazardous materials is not a provision in the right-to-know laws. Who is correct?
A only
What color is the insulation, connectors, and conduits on high-voltage electrical circuits?
Orange
Wearing insulated gloves ______________.
increases electrical resistance
Technician A says a flash electrical injury can include hot metal spray. Technician B says a true electrical injury happens when a person becomes part of an electrical circuit. Who is correct?
Both A and B
Technician A says safety data sheets (SDS) explain employers' and employees' responsibilities regarding the handling and disposal of hazardous materials. Technician B says safety data sheets (SDS) contain specific information about hazardous materials. Who is correct?
Both A and B
What is the minimum CAT rating a DVOM must have when servicing high-voltage systems?
CAT III
Pneumatic tools are powered by ______________.
Compressed air
When performing a cranking system test, ______________.
Disable the ignition system
The hands and feet are the most common points of entry and/or egress for electrical current. All of the following can likely be alternative points of entry or egress, EXCEPT:
Eyelids
True or False: Any time technicians step away from a vehicle, they should make sure that the high-voltage system has been restored before continuing with repairs.
False
True or False: Class 0 gloves should be replaced every six months.
False
Which of these is true about inverter service safety? a. The inverter can be serviced without isolating the high voltage. b. The inverter capacitors do not discharge. c. The inverter should be allowed to discharge after the system is isolated. d. The inverter always houses the high-voltage relays.
The inverter should be allowed to discharge after the system is isolated.
True or False: Full-face shields are designed to provide protection for the face, neck, and eyes of the technician.
True
True or False: When disconnecting battery cables, always remove the negative cable first.
True
