What makes low-voltage lighting systems safer than 120-volt systems?
What will be an ideal response?
The shock from a 12-volt system will not break down skin resistance and cause human injury.
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Answer the following statement(s) true (T) or false (F)
1. The MMC and LMC modifiers may only be used where a feature control frame is applied to a feature of size. 2. A complex feature is a single surface of compound curvature or a collection of other features that constrains up to six degrees of freedom. 3. An irregular feature of size requires opposed surfaces or elements. 4. An irregular feature of size must have an actual local size. 5. Every feature of size has a maximum and least material condition.
PLAs consist of programmalble AND arrays connected to programmable OR arrays
Indicate whether the statement is true or false
The ____ shows the intersection of the existing and new foundation and floor systems.
A. foundation plan B. floor plan C. site map D. site plan
The cross liquid charge bulb at the TXV contains fluid that ____.
A. has similar characteristics to the system fluid to prevent liquid refrigerant from entering the suction line B. has different characteristics from the system fluid C. causes the valve to stay open during the off cycle D. follows the typical pressure-temperature relationship