TSSA UNIT 11 EXAM QUESTIONS
AND ANSWERS
What are control relays best suited for controlling in a single-phase circuit - Answer-
none of the above
What should the temperature difference be between the hot and cold junctions of a
thermocouple - Answer-at least 400 degrees F
What type of common fasteners are used for securing electrical cable and conduit -
Answer-staples, cleats, sleeves and grommets
Maximum ampacity values for overcurrent protection devices would be specified where
- Answer-Canadian electrical code, part 1
Where are switches and other devices in a wiring diagram shown - Answer-in their at
rest positions
How are controllers operated - Answer--changes in temperature
-changes in pressure
-changes in fluid flow
Who typically recommends the maximum lengths of wiring runs for self-powered control
systems - Answer-the manufacturer
Where are branch circuits wired - Answer-at the distribution panel
What is meant by the term "gangable box" - Answer-two or more boxes that can be
joined or "ganged" together
what type of diagram is most helpful when trying to trace wires - Answer-wiring diagram
all control valves open and close in response to changes in what - Answer--humidity
-temperature or pressure
approximately how many thermocouples dose a powerpile contain, and how are they
connected - Answer-10 to 30, connected in series
a multimeter incorporates which basic electrical meters - Answer--an ammeter and
ohmmeter
AND ANSWERS
What are control relays best suited for controlling in a single-phase circuit - Answer-
none of the above
What should the temperature difference be between the hot and cold junctions of a
thermocouple - Answer-at least 400 degrees F
What type of common fasteners are used for securing electrical cable and conduit -
Answer-staples, cleats, sleeves and grommets
Maximum ampacity values for overcurrent protection devices would be specified where
- Answer-Canadian electrical code, part 1
Where are switches and other devices in a wiring diagram shown - Answer-in their at
rest positions
How are controllers operated - Answer--changes in temperature
-changes in pressure
-changes in fluid flow
Who typically recommends the maximum lengths of wiring runs for self-powered control
systems - Answer-the manufacturer
Where are branch circuits wired - Answer-at the distribution panel
What is meant by the term "gangable box" - Answer-two or more boxes that can be
joined or "ganged" together
what type of diagram is most helpful when trying to trace wires - Answer-wiring diagram
all control valves open and close in response to changes in what - Answer--humidity
-temperature or pressure
approximately how many thermocouples dose a powerpile contain, and how are they
connected - Answer-10 to 30, connected in series
a multimeter incorporates which basic electrical meters - Answer--an ammeter and
ohmmeter
