What are the basic steps of using cell phones to control machine operation?
What will be an ideal response?
• The PLC or controller is linked to the plant's network and set up to work with remote signals• The plant network is tied to the Internet and secured with passwords and the usual virus protections• An app is developed for the type of smart device intended for use, similar to what is done for an HMI• The app on the smartphone is linked to the plant network via the Internet and specific equipment via code• Once the bugs are worked out, monitoring and control via smart device is possible
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An uninsulated turbine receives superheated steam at 1000 psia, and the steam exits as a saturated vapor at 60 psia. There is a heat loss of 900 Btu/s from the turbine. The mass flow rate of the steam is 55 lbm/s. Using your turbine model, plot the power produced by the turbine for inlet temperatures ranging from 600oF to 950oF.
Given: P1 = 1000 psia; x2 = 1.0 (saturated vapor); m?=55 lbm/s; P2 = 60 psia; Q?=?900Btus; Steam State 1 is the inlet, state 2 is the outlet. Assume: For a turbine, assume steady-state, steady-flow, single-inlet, single-outlet flow, with ?KE = ?PE = 0 What will be an ideal response?
When designing your new shop's parking area which of these items must be considered?
A) To save costs, employees and customers will use the same parking area B) Clearly marked customer parking C) Both A and B D) Neither A nor B
The term picture window implies ________.
A) a fixed window. B) a fixed window whose height is greater than its length. C) a fixed window whose length is greater than its height. D) an operable window. E) none of the above.
Galling may occur as threads are being _____.? ?
Fill in the blank(s) with the appropriate word(s).