Postal Maintenance 5 Exam Questions
and Answers All Correct
What types of gears are at right angles to each other? - Answer-Worm and wheel, and
Rack and pinion
For what are countersinks on electric drills? - Answer-Seat flathead screws flush to
surface
What is the unit for capacitance? - Answer-Farad
What happens if the leads of electrical component are dirty? - Answer-They heat up and
have less conductivity
What is Ohm's Law? - Answer-V=IR, P=I2R, P=V2R
Current in a series circuit at any given point is? - Answer-The same
How many paths must current travel in a series circuit? - Answer-1
How much resistance is in a short circuit? - Answer-Ohm's
What does current do in a parallel circuit? - Answer-Divides between the different paths
of the circit
Which is cheaper and easier to transmit? - Answer-AC
For current to flow there must always be a potential difference in voltage - Answer-True
Who may remove a lockout? - Answer-The person who put it there?
Who is responsible for safety? - Answer-Each individual
Each chemical has a sheet which tells the makeup and hazards associated with the
chemical called an: - Answer-MSDS
What is the safest method for working on live equipment? - Answer-Keep one hand
behind you while working, but only if it has to be live
Who gets a key to your lockout? - Answer-Just you
and Answers All Correct
What types of gears are at right angles to each other? - Answer-Worm and wheel, and
Rack and pinion
For what are countersinks on electric drills? - Answer-Seat flathead screws flush to
surface
What is the unit for capacitance? - Answer-Farad
What happens if the leads of electrical component are dirty? - Answer-They heat up and
have less conductivity
What is Ohm's Law? - Answer-V=IR, P=I2R, P=V2R
Current in a series circuit at any given point is? - Answer-The same
How many paths must current travel in a series circuit? - Answer-1
How much resistance is in a short circuit? - Answer-Ohm's
What does current do in a parallel circuit? - Answer-Divides between the different paths
of the circit
Which is cheaper and easier to transmit? - Answer-AC
For current to flow there must always be a potential difference in voltage - Answer-True
Who may remove a lockout? - Answer-The person who put it there?
Who is responsible for safety? - Answer-Each individual
Each chemical has a sheet which tells the makeup and hazards associated with the
chemical called an: - Answer-MSDS
What is the safest method for working on live equipment? - Answer-Keep one hand
behind you while working, but only if it has to be live
Who gets a key to your lockout? - Answer-Just you
