2-2-1
Always ensure that the jack position of the test leads corresponds to the setting of the meter function and selector switch before taking a measurement. Select one: True False
True
Analog test instruments are less accurate than digital test instruments. Select one: True False
True
Electricity is the number one cause of fires. Select one: True False
True
Mass is used as a standard instead of weight. Select one: True False
True
The main reason for the increase in the use of digital electronic technology is for greater measuring capability. Select one: True False
True
The primary purpose of rubber insulating gloves is to insulate the hands and lower arms from possible contact with live conductors. Select one: True False
True
The resistance of test leads must be less than ? . Select one: a.1 Ω b.5 Ω c.10 Ω d.20 Ω
a.1 Ω
For maximum safety, personal protective equipment and safety requirements for test instrument procedures must be followed, as specified in ? , which is one of several standards. Select one: a.IEEE b.NFPA 70E c.OSHA Standard 1926.05 d.test instrument manufacturer's guidelines
b.NFPA 70E
Lockout/Tagout is normally removed by the ? , unless the situation is an emergency. Select one: a.crew foreman b.person who installed it c.plant manager d.system operator
b.person who installed it
? are an eye protection device with special impact-resistant glass or plastic lenses. Select one: a.Eye glasses b.Full face dust masks c.Safety glasses d.Welding hoods
c.Safety glasses
Never touch any part of an electrical shock victim's body when it is in contact with the circuit. When the circuit cannot be turned off, use any ? device to free the victim. Select one: a.conducting b.electrical c.grounded d.nonconducting
d.nonconducting
All other units of measure are defined and compared to the four basic measurements of length, ? . Select one: a.height, weight, and temperature b.height, width, and weight c.weight, consistency, and viscosity d.weight, time, and temperature
d.weight, time, and temperature
The ? feature on a digital multimeter allows a meter to automatically adjust to a higher range setting if the set range is not high enough for the application. Select one: a.Autoranging b.Hold c.MIN MAX d.Relative
A. Autoranging
An arc ? is an explosion that occurs when the air surrounding electrical equipment becomes ionized and conductive. Select one: a.blast b.discharge c.flash d.gap
A. Blast
An arc flash is an extremely high-temperature ? produced by an electrical fault in the air. Select one: a.discharge b.phenomenon c.scattering of electrons d.short
A. Discharge
? is the process of removing the source of electrical power and installing a lock that prevents the power from being turned on. Select one: a.Grounding b.Lockout c.Shut down d.Tagout
B. Lockout
The life expectancy of a test instrument depends on ? . Select one: a.how many times it has been calibrated b.the care of the meter c.the current it has to carry d.the voltage it measures
B. The care of the meter
When using a test instrument with test leads, the ? lead should be connected first. Select one: a.energized b.fused c.ground d.red
C. Ground
The absolute zero scale of centigrade is often called the ? . Select one: a.centigrade b.Fahrenheit c.Kelvin d.true temperature
C. Kelvin
The Romans refined distance traveled to a unit of length called the ? . Select one: a.cubit b.foot c.meter d.mile
D. Mile
The ? is a federal act that requires all employers to provide a safe environment for employees. Select one: a.CSA b.ISO c.NFPA d.OSHA Act
D. OSHA Act
The metric system adopted the ? as the standard unit of time measurement. Select one: a.degree b.hour c.minute d.second
D. Second
Only a meter marked ? can be used when taking a measurement on a circuit that includes solid-state components that distort the shape of AC sine waves. Select one: a.AC b.analog c.Min Max d.True RMS
D. True RMS
The signal word used to indicate a potentially hazardous situation that could result in death or serious injury is the ? . Select one: a.caution b.danger c.stop d.warning
D. Warning
Both Fahrenheit and Celsius thermometers have scales based on the freezing and boiling points of ? . Select one: a.alcohol b.mercury c.oil d.water
D. Water
Clothing made of synthetic materials, such as rayon, is the only type to be worn when working with energized electrical circuits. Select one: True False
False
Digital test instruments are less susceptible to noise than analog test instruments. Select one: True False
False
Extra care must be provided to digital test instruments because their movements are susceptible to damage from shock. Select one: True False
False
Weight is often used as a standard because it is universally constant, regardless of latitude. Select one: True False
False
Grounding is the connection of all exposed, noncurrent-carrying metal parts to the neutral conductor. Select one: True False
Falsr
