(L)Element 3-75 Test Equipment

Question 1

How is a frequency counter used?

Answer 1

To measure the time between events, or the frequency, which is the reciprocal of the time.

Question 2

What is a frequency standard?

Answer 2

A device used to produce a highly accurate reference frequency

Question 3

What equipment may be useful to track down EMI aboard a ship or aircraft?

Answer 3

Portable AM receiver.

Question 4

On an analog wattmeter, what part of the scale is most accurate and how much does that accuracy extend to the rest of the reading scale?

Answer 4

The accuracy is only at full scale, and that absolute number reading is carried through to the rest of the range. The upper 1/3 of the meter is the only truly calibrated part.

Question 5

Which of the following frequency standards is used as a time base standard by field technicians?

Answer 5

Rubidium Standard

Question 6

Which of the following contains a multirange AF voltmeter calibrated in dB and a sharp, internal 1000 Hz bandstop filter, both used in conjunction with each other to perform quieting tests?

Answer 6

SINAD meter