100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
700 Final Review Exam Version 1 $17.99   Add to cart

Exam (elaborations)

700 Final Review Exam Version 1

1 review
 8 views  0 purchase
  • Course
  • Institution

700 Final Review Exam Version 1

Preview 2 out of 9  pages

  • May 27, 2024
  • 9
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

1  review

review-writer-avatar

By: WORLDNURSE • 1 month ago

avatar-seller
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

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller doctorfirstbest. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $17.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

70840 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$17.99
  • (1)
  Add to cart