Question 31
Which tool is commonly used to cut electrical metallic tubing (EMT) in the field?
Question 32
On a step ladder, where is it generally unsafe to stand while working on a receptacle?
Question 33
Which ladder type is generally the safest choice for an electrician working near energized conductors?
Question 34
When setting up a portable ladder to work on a light fixture, what is the safest practice?
Question 35
When setting up a straight extension ladder to reach a service mast, which practice is safest?
Question 36
When using a portable extension ladder to access a roof, how should the ladder be positioned for safe climbing?
Question 37
Which common rule of thumb describes the proper angle for setting a straight ladder against a wall?
Question 38
When using a portable ladder to access an overhead work area, what is the safest practice for an electrician?
Question 39
When setting up an extension ladder to access a roof, what is the safest approximate angle for the ladder relative to the ground?
Question 40
On a ladder-type wiring diagram, what do the vertical lines usually represent?
Question 41
When using a step ladder on a job site, which practice is safest?
Question 42
Which type of drawing would you use to see the physical location of panels, receptacles, and lighting fixtures in a building?
Question 43
An apprentice is setting up an extension ladder to access a 16 ft high work platform. To follow safe ladder practices, about how far should the base of the ladder be from the wall?
Question 44
A journeyperson needs to safely reach a ceiling junction box on a flat indoor surface. Which ladder choice is MOST appropriate for this task?
Question 45
When using a straight ladder to access a work area, what is the recommended ladder angle relative to the wall?
Question 46
When setting up an extension ladder to work on a 16 ft high service mast, approximately how far should the ladder base be from the wall using the 4-to-1 rule?
Question 47
Which component is used to convert the high voltage, low current signal from a 4-20 mA transducer into a digital value that a Programmable Logic Controller (PLC) can interpret?
Question 48
When interpreting a ladder logic diagram, what does a normally open (N.O.) contact symbol represent in the circuit?
Question 49
Which type of diagram is used to show the sequence of operation for control circuits, reading from left to right like steps on a ladder?
Question 50
Which type of diagram is most useful for a journeyperson attempting to trace the current flow in a complex motor control circuit to troubleshoot a sequential logic failure?
Question 51
For safe use, an extension ladder should generally be placed at approximately what ratio of height to base distance from the wall?
Question 52
An extension ladder is being used to access a roof. For safe use, the ladder base should be placed so that for every 4 feet of ladder height, the base is:
Question 53
When using an extension ladder to access a roof, how far should the ladder extend above the roof edge to allow safe access?
Question 54
An extension ladder must be used near a frequently used doorway. What is the safest procedure?
Question 55
A ladder diagram represents:
Question 56
In a ladder diagram, what do the vertical rails (lines) typically represent?
Question 57
In a ladder diagram, where are the output devices (coils, lights, solenoids) typically located?