USPS MAINTENANCE MECHANIC
EXAM WITH 100% CORRECT
ANSWERS 2026
How do you research a problem what sources do you use???
correct answer Work related MTSC - E.T.'s who work on the
machines in question - outside work google; libraries, websites
covering the subject
How do you measure a fuse inside a circuit correct answer
Wearing appropriate PPE
Set multimeter to AC symbol -
Black lead to ground
Check fuse contacts top bottom (ONE HANDED)looking for voltage
(TWO HANDED) Check across fuses - A - B then A - C then B - C /
looking for voltages
Describe a unsafe situation- how did you correct it? correct
answer Coworker was vacuuming a open stacker power box -
without shutting down machine- I stopped him & instructed him
how to properly shut down the machine wearing the correct PPE &
clean the machine
Measuring a fuse outside of circuit correct answer Visually
check fuse for broken wire or bad connections - set multimeter
EXAM WITH 100% CORRECT
ANSWERS 2026
How do you research a problem what sources do you use???
correct answer Work related MTSC - E.T.'s who work on the
machines in question - outside work google; libraries, websites
covering the subject
How do you measure a fuse inside a circuit correct answer
Wearing appropriate PPE
Set multimeter to AC symbol -
Black lead to ground
Check fuse contacts top bottom (ONE HANDED)looking for voltage
(TWO HANDED) Check across fuses - A - B then A - C then B - C /
looking for voltages
Describe a unsafe situation- how did you correct it? correct
answer Coworker was vacuuming a open stacker power box -
without shutting down machine- I stopped him & instructed him
how to properly shut down the machine wearing the correct PPE &
clean the machine
Measuring a fuse outside of circuit correct answer Visually
check fuse for broken wire or bad connections - set multimeter
