Which of the following is not a consideration when discussing robot versus human labor?
A. Robots require a support staff.
B. Humans are better than robots at certain tasks.
C. If a business is not profitable, it will shut down.
D. Robots are more entertaining to watch than people.
Answer: D
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To show certain portions of the assembly more clearly, enlarged details of parts are drawn to an enlarged ____ size.
A. usage B. scale C. display D. assembly
When debrazing a joint on a refrigeration system, often:
A) The exiting fumes will extinguish the torch flame. B) The oil fumes will ignite when the joint is opened. C) The residual refrigerant will crystallize around the tube outlet. D) The vacuum created by the flames will cause a quick inward suction when the tube is pulled.
Answer the following statement(s) true (T) or false (F)
1. The on-delay relay is often referred to as DODO. 2. Pneumatic timers are affected by variations in ambient temperature or atmospheric pressure. 3. Pneumatic timers are adjustable over a wide range of time periods. 4. Instantaneous contacts change their positions immediately when the coil is energized and change back to their normal positions immediately when the coil is de-energized. 5. Clock timers are generally used to operate several switches.
A frequency counter will overflow if:
A) the input frequency is too low. B) sampling interval is too long. C) sampling interval is too short. D) All of the above