NRTC 14182A PRINCIPLES OF TRANSMISSION
LINES EXAM QUESTIONS AND ANSWERS
a transmission line is designed to perform which of the following functions
guide electrical energy from point to point
all transmission lines must have two ends, the input end and the output end. what other
name is given to the input end
each of the above
a measurement of the voltage to current ration (Ein/lin) at the input end of a transmission
line is called the.
input impedance
which of the following lines is NOT a transmission medium
load line
electrical power lines are most often made of which of the following types of transmission
lines
two-wire open line
uniform capacitance throughout the length of the line is an advantage of which of the
following transmission lines
shielded pair
what is the primary advantage of a rigid coaxial line
inexpensive construction
which of the following wave-guides is seldom used because of its large energy loss
characteristics
dielectric
to some degree, transmission lines always exhibit which of the following types of losses
each of the above
skin effect is classified as which of the following types of loss
copper
what transmission-line loss is caused by magnetic lines of force not returning to the
conductor
radiation
, what is the electrical wave-length of 1 cycle if the frequency is 60 Hz
5,000,000 meters
a transmission line 10 meters in length is considered to be electrically long at which of the
following frequencies
60 megahertz
the conductance value of a transmission line represents which of the following values
expected value of current flow through the insulation
electrical constants in a transmission line are distributed in which of the following ways
along the length of the line
leakage current in a two-wire transmission line is the current that slows through what
component
the insulator
conductance is the reciprocal of what electrical property
resistance
a transmission line that has current flowing through it has which, is any, of the following
fields about it
both electric and magnetic fields
a maximum transfer of energy from the source to the transmission line takes place when
what impedance relationship exists between the source and the transmission line
when the load impedance equals source impedance
the characteristic impedance of a transmission line is calculated by using which of the
following ratios
E to I at every point along the line
for a given voltage, what determines the amount of current that will flow in a transmission
line
characteristic impedance
when the impedance of a transmission line is measured, which of the following values
frequently is NOT considered
conductance
the characteristic impedance of a long transmission line may be determined by using which
of the following methods
LINES EXAM QUESTIONS AND ANSWERS
a transmission line is designed to perform which of the following functions
guide electrical energy from point to point
all transmission lines must have two ends, the input end and the output end. what other
name is given to the input end
each of the above
a measurement of the voltage to current ration (Ein/lin) at the input end of a transmission
line is called the.
input impedance
which of the following lines is NOT a transmission medium
load line
electrical power lines are most often made of which of the following types of transmission
lines
two-wire open line
uniform capacitance throughout the length of the line is an advantage of which of the
following transmission lines
shielded pair
what is the primary advantage of a rigid coaxial line
inexpensive construction
which of the following wave-guides is seldom used because of its large energy loss
characteristics
dielectric
to some degree, transmission lines always exhibit which of the following types of losses
each of the above
skin effect is classified as which of the following types of loss
copper
what transmission-line loss is caused by magnetic lines of force not returning to the
conductor
radiation
, what is the electrical wave-length of 1 cycle if the frequency is 60 Hz
5,000,000 meters
a transmission line 10 meters in length is considered to be electrically long at which of the
following frequencies
60 megahertz
the conductance value of a transmission line represents which of the following values
expected value of current flow through the insulation
electrical constants in a transmission line are distributed in which of the following ways
along the length of the line
leakage current in a two-wire transmission line is the current that slows through what
component
the insulator
conductance is the reciprocal of what electrical property
resistance
a transmission line that has current flowing through it has which, is any, of the following
fields about it
both electric and magnetic fields
a maximum transfer of energy from the source to the transmission line takes place when
what impedance relationship exists between the source and the transmission line
when the load impedance equals source impedance
the characteristic impedance of a transmission line is calculated by using which of the
following ratios
E to I at every point along the line
for a given voltage, what determines the amount of current that will flow in a transmission
line
characteristic impedance
when the impedance of a transmission line is measured, which of the following values
frequently is NOT considered
conductance
the characteristic impedance of a long transmission line may be determined by using which
of the following methods
