IP

Question 1

How are non-current caring parts of diagnostic imaging apparatus required to be connected?

Answer 1

Must be bonded to ground

Question 2

What impact does scan time have on high speed counting application in a PLC?

Answer 2

May miss state changes between scans

Question 3

The most probable cause of the forward contact poles showing more uneven dishware than the reverse poles and a forward-reverse controller is due to ________?

Answer 3

Broken or missing shading coil

Question 4

When sharpening a drill bit with an electric grinder, a _______ is necessary

Answer 4

Face shield

Question 5

Who is permitted to access the over current devices for emergency branch circuits?

Answer 5

Authorized persons only

Question 6

Information on ventilation docs can be found on what drawings

Answer 6

Mechanical

Question 7

What is the requirement for spraying equipment and ventilation in a spray booth?

Answer 7

Equipment must be in interlock so spraying is inoperable when ventilation is not operating

Question 8

Which component provides isolation between field devices and the PLC’s internal circuits?

Answer 8

Optocoupler