Airframe Electrical Final Questions & Answers Solved
100% Correct!!
anatomy of a wire
stranded or solid wire
insulation (nylon, teflon, braided fiberglass)
nylon jacket
shielding
resistance is _____ proportional to diameter of conductor
inversely
resistance is _____ proportional to length of conductor
directly
wire gauge sizing is based on __________ of a wire
cross-sectional area
relationship of wire size and gauge number
larger gauge numbers represent smaller wires
what is the smallest gauge of aluminum wire that can be used?
size 8
when aluminum is substituted for copper, ....
use two steps smaller gauge number
wire routing guidelines
-route above fluid lines
-keep away from heat
-don't use wire to support component
-avoid cargo areas
-route away from people access
how often should wire bundle ties be made?
2-3 inches with zip ties or nylon chord
what is the purpose of wire bundling?
ease of troubleshooting and routing
how should wire bundles be clamped?
with rubber insulated clamps every 24"
what is the purpose of a conduit?
extra mechanical protection
keeps wires from chafing
conduit installation requirements
-ID more that 25% of OD of bundle
-bends cannot be less than 75% of the tube OD
-remove all rough edges
-use lacing chord to help pull through bundle
-drill 1/8" drain hole at low points
the ring terminal used must match the _____ ______ it is attached to
gauge wire
circuit protection devices
100% Correct!!
anatomy of a wire
stranded or solid wire
insulation (nylon, teflon, braided fiberglass)
nylon jacket
shielding
resistance is _____ proportional to diameter of conductor
inversely
resistance is _____ proportional to length of conductor
directly
wire gauge sizing is based on __________ of a wire
cross-sectional area
relationship of wire size and gauge number
larger gauge numbers represent smaller wires
what is the smallest gauge of aluminum wire that can be used?
size 8
when aluminum is substituted for copper, ....
use two steps smaller gauge number
wire routing guidelines
-route above fluid lines
-keep away from heat
-don't use wire to support component
-avoid cargo areas
-route away from people access
how often should wire bundle ties be made?
2-3 inches with zip ties or nylon chord
what is the purpose of wire bundling?
ease of troubleshooting and routing
how should wire bundles be clamped?
with rubber insulated clamps every 24"
what is the purpose of a conduit?
extra mechanical protection
keeps wires from chafing
conduit installation requirements
-ID more that 25% of OD of bundle
-bends cannot be less than 75% of the tube OD
-remove all rough edges
-use lacing chord to help pull through bundle
-drill 1/8" drain hole at low points
the ring terminal used must match the _____ ______ it is attached to
gauge wire
circuit protection devices
