What modulation scheme is currently used by LoRa?

A. DSSS
B. CSS
C. FHSS
D. ASK


Answer: B

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The angle of a piping offset that has a set of 5 inches and a travel of 10 inches is _____ degrees. (Refer to the figure above.)

a. 22-1/2 b. 30 c. 45 d. 60

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If a mercury thermostat seems out of adjustment, the first thing to do is _____.

a. recalibrate the thermostat b. reset the system switch to Off c. check for accurate leveling d. adjust the setting lever

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Distortion is an unwanted change in the shape of a(n) ____.

a. AC signal b. static volume c. DC impedance d. amplifier load

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Cold soak means to allow the vehicle to sit without the engine running long enough that the coolant temperature equalizes with ambient temperature.

Answer the following statement true (T) or false (F)

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