List two compare instructions included with the Allen-Bradley family of programmable controllers.
What will be an ideal response?
The Allen-Bradley family of programmable controllers has a set of data compare instructions that include equal (EQU), greater than or equal (GEQ), greater than (GRT), less than or equal (LEQ), less than (LES), and not equal (NEQ).
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A switch called the ____________________ switch is used to connect the excitation current to the motor.
Fill in the blank(s) with the appropriate word(s).
Topsoil is sold by the cubic yard or ____________________
Fill in the blank(s) with correct word
Which of the following reinforcement schedules offers a worker the LEAST incentive to do
good work?
a. Fixed-interval b. Fixed-ratio c. Variable-interval d. Variable-ratio
Which of the following statements about placing dimensions is true?
a. Dimension lines may be joined end to end with a line of the drawing. b. Avoid placing dimensions on the drawing. c. Leaders may be drawn horizontally if adjacent leaders are also drawn horizontally. d. Fraction bars should be inclined except where the text is not clear. e. Always include unit marks in machine drawings.