Craft Cert Exam Review
What is the most common conduit used outside with vibration? - ANSWER...-Parallel
When using a ammeter how do you check for amperage - ANSWER...-Series
What is used to check current? - ANSWER...-ammeter
When using a ammeter what how do you check voltage - ANSWER...-
What is the most conductive metal? (list them in order) - ANSWER...-gold, silver,
copper, aluminum
smallest trade size of rigid conduit - ANSWER...-1/2 inch
to prevent injuries ladders not in use should be - ANSWER...-tied to the wall or laid
down
when current flow is increased through the conductor, what happens to the conductor? -
ANSWER...-it increases
what would be the opposite of current flow? - ANSWER...-resistance
what does NEC not cover? - ANSWER...-ships, water crafts, and floating buildings
what happens when disimilar metals meet? - ANSWER...-they corrode
short circuit has very little or no ___ - ANSWER...-resistance
what is threshold? - ANSWER...-
when is a light bulb is dim, what causes this? - ANSWER...-low voltage
materials that are easily magnetized - ANSWER...-ferro magnetic
which way does current flow? - ANSWER...-negative to positive
when it comes to slings and come alongs, what do you have to watch for? -
ANSWER...-pinch points
necessary action before maintenance - ANSWER...-deenergize and LOTO
What is the most common conduit used outside with vibration? - ANSWER...-Parallel
When using a ammeter how do you check for amperage - ANSWER...-Series
What is used to check current? - ANSWER...-ammeter
When using a ammeter what how do you check voltage - ANSWER...-
What is the most conductive metal? (list them in order) - ANSWER...-gold, silver,
copper, aluminum
smallest trade size of rigid conduit - ANSWER...-1/2 inch
to prevent injuries ladders not in use should be - ANSWER...-tied to the wall or laid
down
when current flow is increased through the conductor, what happens to the conductor? -
ANSWER...-it increases
what would be the opposite of current flow? - ANSWER...-resistance
what does NEC not cover? - ANSWER...-ships, water crafts, and floating buildings
what happens when disimilar metals meet? - ANSWER...-they corrode
short circuit has very little or no ___ - ANSWER...-resistance
what is threshold? - ANSWER...-
when is a light bulb is dim, what causes this? - ANSWER...-low voltage
materials that are easily magnetized - ANSWER...-ferro magnetic
which way does current flow? - ANSWER...-negative to positive
when it comes to slings and come alongs, what do you have to watch for? -
ANSWER...-pinch points
necessary action before maintenance - ANSWER...-deenergize and LOTO
