An example of an input device is a ____.
a. light
b. solenoid
c. motor
d. pyrometer
d. pyrometer
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?What is the weld pass that can correct some of the problems with the root pass?
A. ?hot pass B. ?filler pass C. ?fillet weld D. ?backing weld pass
Which air impact drive size is the most commonly used?
A) 1/2 inch B) 3/8 inch C) 3/4 inch D) 1/4 inch
How can ice storage help a chiller system operate more efficiently?
A) By charging the ice storage system during off-peak hours when electricity is less expensive B) By helping address peak load demand, allowing the use of a smaller chiller that operates closer to full load C) By lowering the chiller evaporator temperature, making it operate more efficiently D) By supercooling the chilled water with ice
An invalid input voltage for a TTL logic gate would be
A) greater than 2.0 V but less than 5.0 V. B) less than 0.8 V. C) between 0.8 V and 2.0 V. D) greater than 2.0 V.