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700 Final Review Exam

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700 Final Review Exam

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  • May 24, 2024
  • 9
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • 700 final review exam
  • 700 final review exa
  • 700 final review exam

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700 Final Review Exam Version 1 (Latest 2023/ 2024
Update) Questions and Verified Answers| 100% Correct|
Grade A+

Which of the following would be used to troubleshoot a controller problem?
✔✔ANSWER✔ Straight-line wiring diagram



In the single automatic push button system (SAPB) how many calls can be registered at
one time? ✔✔ANSWER✔ One call at a time



What type of elevator control passes up hall calls in the down direction and down hall
calls in the up direction? ✔✔ANSWER✔ Selective collective control



What does the following symbol represent? ✔✔ANSWER✔ Poly/Three-phase rectifier



What do the following symbols represent? ✔✔ANSWER✔N.C. mechanically operated
switch



Which of the following statements is correct when connecting a meter in a circuit to
measure current? ✔✔ANSWER✔ The meter will be damaged if connected across a
voltage source



When using the digital multimeter, what jack is the red lead plugged into for all
measurements except current? ✔✔ANSWER✔ Volts/ohm jack



What is the function SW position used to measure DC voltage on a digital meter?
✔✔ANSWER✔V with 3 dots and a line on top

, What is the primary reason AC relays hum or chatter? ✔✔ANSWER✔AC cycle reversal



Which of the following best describes the contact rating of a magnetic switch?
✔✔ANSWER✔ The maximum voltage and current that can be safely interrupted



How can you reduce contact arcing on plug-in relay contacts? ✔✔ANSWER✔ Wire two
contacts of the same relay in series



How are latching relays reset? ✔✔ANSWER✔ Electrically



Testing with a multimeter, full line voltage is read directly across the door close relay
coil. The coil however will not pull in. Which of the following is most likely the problem?
✔✔ANSWER✔ Open coil



When working on unfamiliar wiring diagrams, what are good clues to finding contact
numbers? ✔✔ANSWER✔ Tracing self-holding contacts



If a relay with the contact arrangement shown in Figure 1 was energized, which contacts
would break? ✔✔ANSWER✔2 and 8



What type of circuit does Figure 2 represent? ✔✔ANSWER✔ On-delay timing circuit



Refer to Figure 2. What would happen in the circuit if resistor R1 were open?
✔✔ANSWER✔ Capacitor C1 would not discharge properly



Refer to Figure 3. When the switch is closed, then opened, what will happen to Relay 1
and Relay 2? ✔✔ANSWER✔ Relay 1 off-delay, Relay 2 drops immediately



In a properly grounded elevator system, which of the following should be grounded?
✔✔ANSWER✔ V Generator Motor Controller All of the above

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