Footlights in a stage that are designed to disappear into a storage recess when not in use must be designed so that _____.
a. their external temperature cannot exceed 125°F (51.6°C)
b. the power supply is automatically disconnected when the lights are retracted
c. no flammable materials are within 12 inches (30.5 cm)
d. their wattage is automatically reduced when the lights are retr
b. the power supply is automatically disconnected when the lights are retracted
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A feeder circuit with no motor load has a continuous load of 5A and a noncontinuous load of 5A. The feeder overcurrent protective device should be sized at _____.
a. 10A b. 11.25A c. 15A d. 17.5A
An automatic transaxle may include the use of a ________
A) Final drive B) Torque converter C) Drive chain D) All of these
The door used to control interior temperature is called the __________ door
A) Temperature-blend B) Recirculation C) Outside (fresh) air D) Mode
What is a common location for a sprinkler system OS&Y valve?
a. on the service side of the water meter b. in an underground service box c. outside next to the post indicator valve d. in a utility or mechanical room