What are three characteristics of animals in the class Mammalia?
What will be an ideal response?
Animals in the class Mammalia have hair, nurse their young, and give live births.
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Answer the following statement(s) true (T) or false (F)
1. The convention for programming examples in the text uses Analog Memory to refer to a word address in a user memory area of the PLC containing a decimal value from calculations or values to be stored for comparison type instructions. 2. A digital address in the output memory area of the PLC that a real-world device is being controlled from, such as a pilot light, motor starter, or solenoid, is referred to as Digital Memory. 3. In most cases, there is more than one solution to a problem. The right solution and subsequent logic depends on having a thorough understanding of the machine or process to be controlled. 4. The accompanying figure shows a memory address labeled as Digital Input connected to the normally closed contact marked “Start Push Button.” 5. When controlling industrial motors with PLCs, it is often desirable to monitor and know when motor starters fail to operate as directed.
Which of the following occurs when the load applied causes the fibers on the tension side of the rung to stretch and permanently deform?
a. Top-edge failure b. Longitudinal failure c. Side-rail failure d. Transverse failure
A species that is ____________________ eats only plants
Fill in the blank(s) with correct word
The minimum conductor size for traveling cables that feed lighting circuits is ____ AWG copper.
A. 14 B. 16 C. 18 D. 20