|
What is the primary purpose of a directional coupler?
|
|
0
|
142
|
June 15, 2022
|
|
Internal arcing in a waveguide is usually a symptom of which of the following conditions?
|
|
0
|
176
|
June 15, 2022
|
|
What type of corrosion occurs when dissimilar metals are in contact?
|
|
0
|
125
|
June 15, 2022
|
|
In your waveguide inspections, you should be alert for which of the following problems?
|
|
0
|
144
|
June 15, 2022
|
|
A circular waveguide is normally used in a rotating joint because ___
|
|
0
|
173
|
June 15, 2022
|
|
The choke joint is used for what purpose in a waveguide?
|
|
0
|
146
|
June 15, 2022
|
|
A flexible waveguide is used in short sections because of ___
|
|
0
|
136
|
June 15, 2022
|
|
A waveguide bend which is in the E or H plane must be greater than ___
|
|
0
|
131
|
June 15, 2022
|
|
Reflections will be caused by an abrupt change in ___
|
|
0
|
122
|
June 15, 2022
|
|
A resistive load most often dissipates energy in which of the following forms?
|
|
0
|
224
|
June 15, 2022
|
|
A resistive device with the sole purpose of absorbing all the energy in ___
|
|
0
|
217
|
June 15, 2022
|
|
For a waveguide to be terminated with a resistive load, that load must be ___
|
|
0
|
171
|
June 15, 2022
|
|
A horn can be used as a waveguide termination device because ___
|
|
0
|
120
|
June 15, 2022
|
|
A waveguide iris that covers part of both the electric and magnetic planes acts as ___
|
|
0
|
185
|
June 15, 2022
|
|
A waveguide which is not perfectly impedance matched to its load is ___
|
|
0
|
171
|
June 15, 2022
|
|
Increasing the size of the loop wire increases which of the following loop capabilities?
|
|
0
|
140
|
June 15, 2022
|
|
Loop coupling is most efficient when the loop is placed at ___
|
|
0
|
121
|
June 15, 2022
|
|
Loose coupling is a method used to reduce the amount of ___
|
|
0
|
157
|
June 15, 2022
|
|
To inject or remove energy from a waveguide, which of the following devices could you use?
|
|
0
|
175
|
June 15, 2022
|
|
With the mode description ___
|
|
0
|
187
|
June 15, 2022
|
|
With a mode description of ___
|
|
0
|
143
|
June 15, 2022
|
|
The field configuration in waveguides is divided into what two categories?
|
|
0
|
156
|
June 15, 2022
|
|
How is the cutoff wavelength for a circular waveguide figured?
|
|
0
|
154
|
June 15, 2022
|
|
The most efficient transfer of energy occurs in a waveguide in the what mode?
|
|
0
|
196
|
June 15, 2022
|
|
The various field configurations that can exist in a waveguide are referred to as ___
|
|
0
|
185
|
June 15, 2022
|
|
The group velocity of a wavefront in a waveguide may be ___
|
|
0
|
155
|
June 15, 2022
|
|
How does the group velocity of an electromagnetic field in ___
|
|
0
|
183
|
June 15, 2022
|
|
If the wall of a wave-guide is perfectly flat, the angle of reflection is ___
|
|
0
|
121
|
June 15, 2022
|
|
What, if anything, happens to the amplitude of the wavefronts within ___
|
|
0
|
119
|
June 15, 2022
|
|
For an electric field to exist at the surface of a conductor, the field must have ___
|
|
0
|
151
|
June 15, 2022
|