What is the most common insulating material used on conductors?
A. copper
B. silk
C. aluminum
D. plastic
Answer: D
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The flow of heat energy from a hotter object to a cooler object is termed _____.
a. conduction b. equilibrium c. convection d. radiation
When growing a root crop in the field, how is the root’s growth monitored?
What will be an ideal response?
Which of the following is NOT necessary for communication to take place?
a. There must be at least two people. b. The people involved must be fairly close in terms of proximity and time. c. Someone must have information to be passed on. d. There must be an attempt to transmit the information. e. All of these are necessary.
An actuator is usually a device that:
A) converts a physical variable to an electrical variable. B) converts analog data to meaningful digital data. C) stores digital data and then processes that data according to a set of specified instructions. D) controls a physical variable.