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Assignment Questions - 14193_207
Assignment Questions - 14193_209

Neets Module 21-Test Methods and Practices
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18 ASSIGNMENT 3 Textbook assignment:  Chapter 3, “Quantitative Measurement,” pages 3-26 through 3-39.  Chapter 4, “Qualitative Measurements,” pages 4-1 through 4-14.  Chapter 5, “Introduction to Waveform Interpretation,” pages 5-1 through 5-35. ___________________________________________________________________________________ 3-1.   The AN/URM-120 in-line wattmeter is capable of measuring which of the following values? 1.  Rf levels up to 500 watts between 30 MHz and 1,000 MHz 2.  Rf levels up to 1 kW between 2 MHz and 30 MHz 3.  Both 1 and 2 above 4.  Af levels up to 500 watts between 1 kHz and 15 kHz 3-2.   When rf power is applied to a bolometer, the heat generated by the semiconductor bead results in which of the following characteristic changes? 1.  A capacitive change 2.  An inductive change 3.  A resistive change 4.  A frequency change 3-3.   The Hewlett-Packard 431 C power meter is capable of measuring power within which of the following frequency ranges in a coaxial system? 1.      1 MHz to       9 MHz 2.    10 MHz to     18 GHz 3.    41 GHz to    100 GHz 4.  101 GHz to 1,000 GHz 3-4.   Calorimeters measure power by converting the input electromagnetic energy into which of the following forms? 1.  Heat 2.  Dc power 3.  Pulsed rf energy 4.  Electrodynamic energy 3-5.   Which of the following relationships exist(s) between the temperature increase of the calorimetric body of a static calorimeter and the applied power? 1.  The temperature increase is proportional to the frequency of the applied power 2.  The temperature increase is inversely proportional to the amount of applied power 3.  The temperature increase is directly proportional to the time of the applied power 4.  Both 2 and 3 above 3-6.   Which of the following statements describe(s) the method of using a twin calorimeter? 1.  Rf power is applied to one calorimetric body and the other body acts as a temperature reference 2.  The steady-state temperature difference between the two calorimetric bodies is used as a measure of rf power 3.  Both 1 and 2 above 4.  Power is applied to both calorimetric bodies through a directional coupler 3-7.   Flow calorimeters are classified by the type of measurement performed, the type of heating used, and what other characteristic? 1.  Number of calorimetric bodies 2.  Type of circulation method used 3.  Type of rf loads that they employ 4.  Number of calorimetric fluids used






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