TPC 210 electrical troubleshooting Exam
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
On a rewound three phase motor occasionally an entire pole-phase group may be accidentally
reversed. This results in overheating and an increase in the _____________ of the machine. -
CORRECT ANSWER Magnetic hum
The ____________ circuit of an electrical schematic is the simplest part of the diagram and
the easiest to follow. - CORRECT ANSWER Power
Which type of occupancy sensor detects the difference in heat emitted by humans in motion
from that of the background space? - CORRECT ANSWER PIR sensor
In autotransformer input circuits each input line should be - CORRECT
ANSWER Fused
Thermal overload relays can generally be reset after cooling for about ? - CORRECT
ANSWER 1 minute
Which of the following are NOT usually connected to a control relay ? - CORRECT
ANSWER Motors
Which of the following would show where the power distribution system ducts and manholes
are located for a manufacturing plant consisting of several buildings? - CORRECT
ANSWER Plot plan
Whenever equipment undergoes circuit changes and/or modifications make sure that you
record the information on the ? - CORRECT ANSWER Schematic
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
On a rewound three phase motor occasionally an entire pole-phase group may be accidentally
reversed. This results in overheating and an increase in the _____________ of the machine. -
CORRECT ANSWER Magnetic hum
The ____________ circuit of an electrical schematic is the simplest part of the diagram and
the easiest to follow. - CORRECT ANSWER Power
Which type of occupancy sensor detects the difference in heat emitted by humans in motion
from that of the background space? - CORRECT ANSWER PIR sensor
In autotransformer input circuits each input line should be - CORRECT
ANSWER Fused
Thermal overload relays can generally be reset after cooling for about ? - CORRECT
ANSWER 1 minute
Which of the following are NOT usually connected to a control relay ? - CORRECT
ANSWER Motors
Which of the following would show where the power distribution system ducts and manholes
are located for a manufacturing plant consisting of several buildings? - CORRECT
ANSWER Plot plan
Whenever equipment undergoes circuit changes and/or modifications make sure that you
record the information on the ? - CORRECT ANSWER Schematic
