2-12. A   transmitting   antenna   at 2-18. An   antenna   that   radiates ground   level   should   be energy   more   strongly   in   one polarized   in   what   manner   to direction   than   another   is   said achieve    best    signal    strength? to   have   what   type   of   radiation pattern? 1. Horizontally 2. Vertically 1. Isotropic 3. Circularly 2. Anisotropic 4. Linearly 3. Bysotropic 4. Circumstropic 2-13. What   term   describes   the distance   a   wave   travels   during the 1. 2. 3. 4. period    of    one    cycle? Wavelength Frequency Travel    time Radiation    rate IN   ANSWERING   QUESTIONS   2-14   AND   2-15, REFER  TO  FIGURE  2–4  OF  THE  TEXT. 2-14. The   points   of   high   current   and voltage   are   best   described   by which   of   the   following   terms? 1. Peaks 2. Crescents 3. Loops 4. Highs 2-15. The   points   of   minimum   voltage and   minimum   current   are represented   by   which   of   the following    terms? 1. Lows 2. Valleys 3. Descents 4. Nodes 2-16. An   antenna   at   resonance   will transmit    at    maximum efficiency; an  antenna  that  is not   at   resonance   will   lose power  in  which  of  the following     ways? 1. Skin   effect   loss 2. Heat   loss 3. Ground    absorption 4. Wave    scattering 2-17. An   antenna   that   radiates energy   in   all   directions   is said  to  have  what  type  of radiation    pattern? 1. Isotropic 2. Anisotropic 3. Bysotropic 4. Circumstropic 2-19. When   viewing   a   radiation pattern   graph,   you   can   expect the   areas   of   maximum   and minimum    radiation    be identified   by   which   of   the following     terms? 1. High   and   low   probes 2. Maximum    and    minimum points 3. Major   and   minor   lobes 4. Positive    and    negative lobes 2-20. If  an  antenna  is  too  short  for the   wavelength   being   used, what    electrical    compensation must   be   introduced   for   the antenna   to   achieve   resonance? 1. Lumped    resistance 2. Lumped    capacitive reactance 3. Lumped    inductive reactance 4. More    power 2-21. If  an  antenna  is  too  long  for the   wavelength   being   used, what    electrical    compensation must   be   introduced   for   the antenna   to   achieve   resonance? 1. Lumped    resistance 2. Lumped    capacitive reactance 3. Lumped    inductive reactance 4. Less    power 2-22. A  ground  screen  is  a  series  of conductors   buried   1   or   2   feet below   the   surface   in   a   radial pattern   and   is   usually   of   what length   in   comparison   to   the wavelength    being    used? 1. One-quarter wavelength 2. One–half     wavelength 3. Three-quarter wavelength 4. Full    wavelength 7