Some RF frequencies in the radio spectrum are licensed-free.
Answer the following statement true (T) or false (F)
True
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Find the length of arc BC in the accompanying figure. All dimensions are in inches.
A. 1.090 in B. 3.980 in C. 4.090 in D. 5.110 in
____ are pieces of metal that are temporarily attached to the weldment's parts to enable them to be forced into place. Anytime these pieces of metals are used, they must be removed and the area ground smooth.
A. Hammers B. Anvils C. Jacks D. Cleats or dogs
Technician A says that a waste spark ignition system fires two spark plugs at the same time. Technician B says that the waste spark ignition system uses ignition coils connected to companion cylinders. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Manufacturers recommend pressurizing VRF piping to ________ with nitrogen and performing a 24 hour standing leak test
A) 400 — 500 psig B) 500 — 600 psig C) 200 — 300 psig D) 300 — 400 psig