ET2 Practice Exam with all Correct & 100% Verified
Answers |Latest Update |Already Graded A+
Instructions for the preparation of a PMS feedback reports are found on the reverse of OPNAVINST
4790/7B green page. ✔Correct Answer-True
What is the purpose of introducing water vapor into a tr tube? ✔Correct Answer-It decreases
deionization time
Which of the following actions minimizes the effects of intermodulation distortion? ✔Correct
Answer-Using proper antenna spacing
Shielding components and circuitry
Using parasitic suppression circuits
• All of the above
When analyzing the composition of a rectangular wave with a spectrum analyzer, which of the
following types of displays will you see? ✔Correct Answer-A fundamental frequency and its
combined even and odd harmonics
Which of the following terms describe the time between a space and mark or mark and space
condition in a teletypewriter? ✔Correct Answer-Transition
In what type of environment should test equipment be stowed? ✔Correct Answer-Dry
What is the phase relationship of the signals that feed the V antenna? ✔Correct Answer-180º
Which of the following types of energy CANNOT be seen, heard, or felt? ✔Correct Answer-Radio
waves
If a battery is being charged at the proper rate, which, if any of the following types of gassing should
occur? ✔Correct Answer-Steady gassing
Energy is transmitted from a transmitter into space using which of the following devices? ✔Correct
Answer-transmitting antenna
In which of the following publications can you find information on TEMPEST requirements?
✔Correct Answer-MIL-STD-1680
In fm, the AMOUNT of frequency deviation (shift) is proportional to ✔Correct Answer-the
amplitude of the modulating signal
Who was the first to successfully power a commercial steamboat with steam? ✔Correct Answer-
Robert Fulton
The device that is inserted in the heat exchanger's water box to concentrate electrolytic action to it
vice to the metal of the heat exchanger's tubes is made of what material(s)? ✔Correct Answer-
Zincs only
Zinc anode only
• Both 2 and 3 above
Answers |Latest Update |Already Graded A+
Instructions for the preparation of a PMS feedback reports are found on the reverse of OPNAVINST
4790/7B green page. ✔Correct Answer-True
What is the purpose of introducing water vapor into a tr tube? ✔Correct Answer-It decreases
deionization time
Which of the following actions minimizes the effects of intermodulation distortion? ✔Correct
Answer-Using proper antenna spacing
Shielding components and circuitry
Using parasitic suppression circuits
• All of the above
When analyzing the composition of a rectangular wave with a spectrum analyzer, which of the
following types of displays will you see? ✔Correct Answer-A fundamental frequency and its
combined even and odd harmonics
Which of the following terms describe the time between a space and mark or mark and space
condition in a teletypewriter? ✔Correct Answer-Transition
In what type of environment should test equipment be stowed? ✔Correct Answer-Dry
What is the phase relationship of the signals that feed the V antenna? ✔Correct Answer-180º
Which of the following types of energy CANNOT be seen, heard, or felt? ✔Correct Answer-Radio
waves
If a battery is being charged at the proper rate, which, if any of the following types of gassing should
occur? ✔Correct Answer-Steady gassing
Energy is transmitted from a transmitter into space using which of the following devices? ✔Correct
Answer-transmitting antenna
In which of the following publications can you find information on TEMPEST requirements?
✔Correct Answer-MIL-STD-1680
In fm, the AMOUNT of frequency deviation (shift) is proportional to ✔Correct Answer-the
amplitude of the modulating signal
Who was the first to successfully power a commercial steamboat with steam? ✔Correct Answer-
Robert Fulton
The device that is inserted in the heat exchanger's water box to concentrate electrolytic action to it
vice to the metal of the heat exchanger's tubes is made of what material(s)? ✔Correct Answer-
Zincs only
Zinc anode only
• Both 2 and 3 above
