In PSK, what is the technique of combining amplitude and phase modulation called?
A. constellation
B. QAM
C. FHSS
D. hopping
Answer: B
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Salt adds sodium and chlorine to the ration. About 0.5 percent of the ration should consist of salt
Indicate whether the statement is true or false.
Match each item with a statement below.
A. Covered structure attached to the front or rear entrance of a building. B. A flat-floored roofless area adjoining a house, constructed above grade, most commonly made from wood or a synthetic wood substitute. C. An outdoor space for dining or recreation that adjoins a home and is often built directly on grade, using stone, tile, brick, or concrete. D. Is durable and inexpensive but is susceptible to cracking and warping. E. Can be machined, handled, and disposed of like standard lumber. F. It doesn't crack, warp, or rot, and it can be worked with standard woodworking tools.
You see a vehicle approaching from the rear. When you check your mirror again to change lanes, you no longer see the vehicle. You should:
a. turn your signal on and change lanes slowly b. look over your shoulder to be sure the vehicle isn't in your blind spot c. check your outside mirror to see if the vehicle is in your blind spot
It is necessary to get a 100-gallon tank in a space 5 feet long. What size diameter is needed? Express the answer to the nearest tenth inch.
A. 22.1 B. 22.2 C. 22.3 D. 22.4