ELECTRICAL TROUBLESHOOTING TPC 210
EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+ 2025 – 2026
Which is NOT a common cause of mechanical vibration?
-too much clearance at the bearings
-a bent shaft
-worn brushes
-misaligned couplings - ANSWERS-Worn brushes
Which is NOT a common reason why a split-phase motor
makes a noticeable noise while running...
-too little end play
, -loose rotor bars
-worn bearings
-worn centrifugal switch - ANSWERS-Too little end play
Planned lighting maintenance primarily consists of ______
to economize on labor, ______ to optimize light levels and
space appearance, and ______ to correct abnormalities in
operation. - ANSWERS-group relamping
fixture cleaning
troubleshooting
The first step in troubleshooting a fluorescent lighting
system is to... - ANSWERS-make sure the lamp is seated
properly and contact is good
NEMA recommends seasoning linear lamps for ______
hours before dimming. - ANSWERS-12
Dimming HID lamps can cause... - ANSWERS-color shift
HID lamps require a ______ and ______ period. - ANSWERS-
start up; restrike
EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+ 2025 – 2026
Which is NOT a common cause of mechanical vibration?
-too much clearance at the bearings
-a bent shaft
-worn brushes
-misaligned couplings - ANSWERS-Worn brushes
Which is NOT a common reason why a split-phase motor
makes a noticeable noise while running...
-too little end play
, -loose rotor bars
-worn bearings
-worn centrifugal switch - ANSWERS-Too little end play
Planned lighting maintenance primarily consists of ______
to economize on labor, ______ to optimize light levels and
space appearance, and ______ to correct abnormalities in
operation. - ANSWERS-group relamping
fixture cleaning
troubleshooting
The first step in troubleshooting a fluorescent lighting
system is to... - ANSWERS-make sure the lamp is seated
properly and contact is good
NEMA recommends seasoning linear lamps for ______
hours before dimming. - ANSWERS-12
Dimming HID lamps can cause... - ANSWERS-color shift
HID lamps require a ______ and ______ period. - ANSWERS-
start up; restrike
