EXERCISES, LESSON 2
INSTRUCTIONS: Answer the following exercises by circling the lettered response that
best answers the question.
After you have answered all of the exercises, turn to "Solutions to Exercises" at
the end of the lesson and check your answers. For each exercise answered incorrectly,
reread the lesson material referenced after the solution.
1.
Which of the following statements concerning tilting the seat up in the manual
mode is correct?
a. Power is applied out of the orange wire, pin 1 of the switch to the junction box.
b. Power is applied out of the red wire, pin 3 of the switch to the junction box.
c.
Power is applied out of the red wire, pin 1 of the switch to the junction box.
d. Power is applied out of the orange wire, pin 3 of the switch to the junction box.
2.
Which of the following statements concerning reclining the seat back in the
manual mode is correct?
a. Power is applied out of the blue wire, pin 3 of the switch to the junction box.
b. Power is applied out of the blue wire, pin 1 of the switch to the junction box.
c.
Power is applied out of the white wire, pin 3 of the switch to the junction box.
d. Power is applied out of the white wire, pin 1 of the switch to the junction box.
3.
Which of the following is a reason for using the Dental Chair Model JSR
Troubleshooting Guide when isolating a malfunction?
a. It ensures you will find the cause for the malfunction, maladjustment, or
defective component.
b. It provides a detailed listing of all possible causes for a malfunction.
c.
It replaces a need for the repairer to have experience isolating malfunctions
on the dental chair.
d. It reduces the amount of time normally required to locate the cause of a
malfunction.
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