Pole buildings are a variation of ____ construction.
A. platform
B. western
C. post-and-beam
D. balloon
Answer: C
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When insulation materials are delivered to a job site _____.
a. the architect or engineer must be present to inspect them b. all materials must be checked against the packing slip c. the driver must deliver SDS forms for each type of material in the shipment d. receipt of the shipment must be countersigned by another employee
Answer the following statement(s) true (T) or false (F)
1. The work of the modern electrician requires a knowledge of National Electrical Code® requirements that govern three-phase motor installations and the ability to apply these requirements to installations. 2. NEC® Article 430.52 Exception 1 states that if the values for branch-circuit protective devices as determined using the percentages in Table 430.52 do not correspond to the standard device sizes or ratings, then the nearest smaller size rating or setting should be used. 3. When the conductors of a feeder supply two or more motors, the required wire size is determined using Code rules. 4. Wire types and sizes are selected by the ambient temperatures of the place of installation and the economics of the total installation, such as the minimum size of conduits, cost of the wire sizes, and labor cost for installing the various selections. 5. The NEC® guides an electrician through the main components of the calculation, thus providing all the information that is necessary for a motor installation.
Which unit of electricity does the work in the circuit?
A) An ohm B) A volt C) An ampere D) A coulomb
What is the maximum water temperature for a low-pressure water boiler?
A) 250°F B) 150°F C) 180°F D) 200°F