Which one of the following statements about the SQI sequencer is NOT true?
A) The SQI is like an equal comparison instruction but a mask is added, and multiple word combinations can be compared.
B) The initial position value is 0 and the length is the number of bits in the mask.
C) The source parameter contains the address of the input data word to be compared against the sequencer file words.
D) The PLC 5 uses file registers and the control register; the ControlLogix uses tags, arrays, and a control tag.
B
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Output driver modules are capable of controlling up to ____________________ separate outputs
Fill in the blank(s) with the appropriate word(s).
The solenoid valve of a bypass humidifier controls the volume of water flow using a(n) _____.
a. water-pressure regulator b. orifice c. intermittent pulse d. globe valve
If a job is delayed due to late delivery of materials, the crew leader should _____
a. demand a discount from the supplier to compensate for the delay b. get in the habit of checking with the supplier in advance of the scheduled delivery c. contact the home office and advise them to drop the supplier from their list d. refuse the late delivery and re-order the materials from another supplier
A ____ is the tendency of a force to cause rotation about a certain point.
A. shear B. deflection C. moment D. reduction