What type of antenna is typically built right into the wings of aircraft?
A. Folded dipole
B. Slot
C. Phased array
D. Ferrite loop
C
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The microwave level gauge operates by emitting a high frequency signal of approximately 24 GHz. into a tank and then measuring the frequency difference of the return signal that bounces off the product.
Answer the following statement true (T) or false (F)
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Provide the distances shown as A through E
Distance E = ______________
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The minimum slope on which composition shingles may be used if a double-lap underlayment is applied is
_____. a. 4 in 12 b. 3 in 12 c. 2 in 12 d. 1 in 12
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By design, which of the following air ducts will allow 250 cfm to flow with a velocity of 500 ft/min?
A. 9" x 8" B. 16" x 9" C. 10" x 9" D. none of the above
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