The smaller of two spur gears in mesh is called the ____.
A. lever
B. gear
C. pinion
D. module
Answer: C
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The ____ is the "brains" of the PLC.
A. power supply B. CPU C. I/O rack D. program loader
The armature controlled DC motor discussed in this chapter has an inherent “back emf” feedback loop present. Another control configuration is called field control. In this configuration the “back emf” feedback is absent. The circuit diagram for a field controlled DC motor is shown below.
The input to the motor is the field voltage, 
and the output is the electromagnetic torque, 
The impedances are based on current (FV) and voltage (PV) on the electrical side and torque (FV) and angle (PV) on the mechanical side. K is the current-torque constant.
a. Construct the impedance diagram for the field controlled DC motor and label all signals.
b. Attach a load consisting of an inertia, J, plus friction, B, to the mechanical side and compute the transfer function, 
What will be an ideal response?
The following series of revenues and expenses in $1000 units were recorded by a mobile phone business. At a return rate of 10% per year, (a) determine the net future worth in year 10. (b) Did the owners make their expected 10% return? How do you know?
Year Revenues, $ Expenses, $ 0 0 ?2500 1–4 700 ?200 5–10 2000 ?300 What will be an ideal response?
What instruction is required to move the value at port 2 to register 3?
A) MOV R3, P2 B) MOV X, R3 C) MOV R2, P3 D) none of the above