Microwave MCQ

Topic	Views	Activity
What is the primary purpose of a directional coupler?	144	June 15, 2022
Internal arcing in a waveguide is usually a symptom of which of the following conditions?	177	June 15, 2022
What type of corrosion occurs when dissimilar metals are in contact?	126	June 15, 2022
In your waveguide inspections, you should be alert for which of the following problems?	146	June 15, 2022
A circular waveguide is normally used in a rotating joint because ___	175	June 15, 2022
The choke joint is used for what purpose in a waveguide?	146	June 15, 2022
A flexible waveguide is used in short sections because of ___	136	June 15, 2022
A waveguide bend which is in the E or H plane must be greater than ___	131	June 15, 2022
Reflections will be caused by an abrupt change in ___	123	June 15, 2022
A resistive load most often dissipates energy in which of the following forms?	226	June 15, 2022
A resistive device with the sole purpose of absorbing all the energy in ___	219	June 15, 2022
For a waveguide to be terminated with a resistive load, that load must be ___	173	June 15, 2022
A horn can be used as a waveguide termination device because ___	120	June 15, 2022
A waveguide iris that covers part of both the electric and magnetic planes acts as ___	186	June 15, 2022
A waveguide which is not perfectly impedance matched to its load is ___	172	June 15, 2022
Increasing the size of the loop wire increases which of the following loop capabilities?	142	June 15, 2022
Loop coupling is most efficient when the loop is placed at ___	122	June 15, 2022
Loose coupling is a method used to reduce the amount of ___	157	June 15, 2022
To inject or remove energy from a waveguide, which of the following devices could you use?	175	June 15, 2022
With the mode description ___	188	June 15, 2022
With a mode description of ___	145	June 15, 2022
The field configuration in waveguides is divided into what two categories?	160	June 15, 2022
How is the cutoff wavelength for a circular waveguide figured?	155	June 15, 2022
The most efficient transfer of energy occurs in a waveguide in the what mode?	197	June 15, 2022
The various field configurations that can exist in a waveguide are referred to as ___	186	June 15, 2022
The group velocity of a wavefront in a waveguide may be ___	155	June 15, 2022
How does the group velocity of an electromagnetic field in ___	184	June 15, 2022
If the wall of a wave-guide is perfectly flat, the angle of reflection is ___	122	June 15, 2022
What, if anything, happens to the amplitude of the wavefronts within ___	120	June 15, 2022
For an electric field to exist at the surface of a conductor, the field must have ___	151	June 15, 2022