Remote I/O is the interface that ________
A) Is either built into the processor module or come as separate modules
B) Distributes the network control capability across a large automation system
C) Is a single plug-and-socket connection with a high data transfer speed
D) Includes a microprocessor so that it can be programmed for network data exchange
B
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When working near scaffolding, it is best to _____.
a. walk around it b. walk underneath it to keep out of the way of falling material c. treat the area underneath as a shelter from the weather d. remove your hard hat to avoid having it catch on the supports as you pass underneath
If a CMU wall is vertically reinforced at 8 in. on centers, which of the following units will you recommend for use in the wall?
A) Sash unit B) H-unit C) A-unit D) Bond beam unit E) Standard unit with three webs
Which of the following methods should NOT be used to support electric furnaces?
A) Suspending it from roof rafters B) Resting on the ceiling sheetrock C) Suspending it from floor joists D) Sitting it upright on the return air box
Bidirectional tristate buffers ________
A) can pass data in both directions simultaneously B) are used with external buses only C) allow two devices to transmit data on a bus simultaneously D) are used with devices that can both receive and send data