The branch circuit serving patient bed locations shall ____.
A. be located at least 6 ft. from all defined wet locations
B. be shielded from microwave interference
C. not be part of a multiwire branch circuit
D. not be connected to an auxiliary or back up service
Answer: C
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LED sources can result in very efficient fixtures. Which of the following are reasons for this? Select all that apply.
A) Diffuse light output. B) High efficacy. C) Point source. D) Directional light output.
All of the following statements are true EXCEPT:
A. Some newer hydraulic systems have the slave cylinder as part of the release bearing. B. Hydraulic systems are popular on custom vehicles because adaptation of the clutch release mechanism is easy. C. The output piston is located in the reaction or actuator cylinder, commonly called a slave cylinder. D. The master cylinder input piston is located in the diaphragm spring.
A motor's speed is determined by ____.
A. size B. voltage C. amperage D. number of motor poles
Three designs have been proposed to improve traffic flow at a major intersection in a heavily traveled suburban area. The first alternative involves improved traffic signaling. The second alternative includes traffic-signal improvements and intersection widening for exclusive left turns. The third alternative includes extensive reconstruction, including a grade separation structure. The construction costs, as well as annual maintenance and user costs, are listed in the following table for each alternative. Determine which alternative is preferred based on economic criteria if the analysis period is 20 years and the annual interest rate is 15%. Show that the result is the same using the present worth, equivalent annual cost, benefit– cost ratio, and rate-of-return methods.
What will be an ideal response?