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Identify the order of the steps for the general lockout/tagout procedure:
____ Isolate and de-energize all sources of energy to the equipment. ____ Confirm isolation with maintenance and add maintenance tags. ____ Stop the equipment. ____ Tag the start/stop station. ____ Isolate the equipment (in other words, block, tag, and lock all process lines). ____ Centralize the isolation keys in an area with restricted access (for example, a lockout/tagout lockbox).
To reduce the possibility of error, it is customary to use the ____________________ number of blocks possible to achieve the stack.
Fill in the blank(s) with the appropriate word(s).
Use KCL to find the current i1, i2, and i3 in the circuit of Figure P2.15. Assume that ia = 2 mA, ib = 7 mA, ic = 4 mA.
What will be an ideal response?
Which union has jurisdiction over construction job sites?
What will be an ideal response?