Ultrasonic occupancy sensors are triggered by _____.

a. heat
b. light
c. motion
d. sound


c. motion

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Which term best describes the observable characteristics of maturity in an animal?

a. Chronological age c. Physiological age b. Psychological age d. Age of maturity

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Computer Study—comparison of approximate analysis with an exact analysis.

(a) Use approximate analysis to compute the reactions and draw the moment diagrams for
column AB and girder BC of the frame in Figure P13.20, and draw the deflected shape.
Consider column bases are fixed. (b) Repeat the computations with pinned column bases at
A and D. (c) Compare the results with the exact analysis using a computer software.

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To view the Advanced Installer menu on Rheem and the Ruud Comfort Control System, press the ________ simultaneously for three seconds

A) up and down B) Menu button C) left and right D) Rheem and Ruud logos

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Before replacing parts such as bits, blades, or discs on any tool, you must _____

a. polish it with a fine steel wool b. recharge the tool?s battery c. disconnect the power source d. inspect them for cracks

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