The ____ emits a high-frequency sound wave and then detects the echo when it bounces off the object.
a. photodetector
b. ultrasonic detector
c. proximity detector
d. proximity sensor
b. ultrasonic detector
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If your truck has a properly functioning dual air brake system and minimum size air tanks, the air pressure build up from 85 to 100 PSI within _______ seconds
A. 45 seconds. B. 30 seconds. C. 60 second.
What is the purpose of the inspection hole in the barrel of a crimp-on terminal?
a. Check wire position b. Check wire alignment c. Observe wire damage d. Observe insulation position
Using phasor techniques, solve for vR2 shown in Figure P4.68.
i (t) = 3 cos(200t) A
R1 = 3 ? R2 = 5?
L = 18 mH C = 170 ?F.
An architectural drafter's bill for new equipment is $192.48. The discount is $18.90. How much does the new equipment cost?
What will be an ideal response?