Exam (elaborations)
Esco Electrical Test Questions And Answers With Verified Solutions Already Passed!!!
- Course
- Institution
Esco Electrical Test Questions And Answers With Verified Solutions Already Passed!!!
[Show more]
Content preview
Esco Electrical Test Questions AndAnswers With Verified Solutions Already
Passed!!!
What is current flow? - ANSWER✔✔ D.The flow of electrons in a circuit
What is impedance? - ANSWER✔✔ A.Opposition to alternating current
Like charges will - ANSWER✔✔ B.Repel each other
Any material that will readily release electrons is called: - ANSWER✔✔ B.A
conductor
The symbol for current is: - ANSWER✔✔ B. I
Electricity can produce: - ANSWER✔✔ D. All the above
light
heat
magnetism
The safety ground conductor is usually colored: - ANSWER✔✔ B.Green
An electron has: - ANSWER✔✔ B.A negative charge
Which of the following materials would be best suited for use as a semi-conductor?
- ANSWER✔✔ D.Silicon
, Which of the following meters must use internal power to check a load or circuit? -
ANSWER✔✔ A.Ohmmeter
What would be the result if a 24 volt, 20 ohm contactor coil was wired in series
with a 24 volt, 200 ohm control relay? - ANSWER✔✔ B.Only the control relay
would operate
Three defrost heaters, each 15 ohms, are wired in parallel to a 120 volt power
supply. How many Watts are consumed? - ANSWER✔✔ C. 2880
When testing a capacitor with an analog or digital ohmmeter, the meter should: -
ANSWER✔✔ B.Measure low resistance then return to a high reading
How much resistance must be placed in a 120 volt circuit to limit the current to 2
amps? - ANSWER✔✔ A.60 ohms
What is resistance? - ANSWER✔✔ A.Opposition to electron flow
In electrical wiring, a black colored wire indicates: - ANSWER✔✔ A. A hot
conductor
How many watts are used by a heater operating on 460 volts and drawing 5 amps?
- ANSWER✔✔ D .2300
How are fuses sized? - ANSWER✔✔ D .Both A and B
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 classhub. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
50064 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now