Exam (elaborations)
Journeyman Electrical Closed Book Exam #1 with Complete Solutions
- Course
- Institution
Journeyman Electrical Closed Book Exam #1 with Complete Solutions
[Show more]
Content preview
Journeyman Electrical Closed Book Exam #1with Complete Solutions
Then continuity of a coil of winding may be determined by measuring the resistance of the coil.
If the resistance measured is infinite, the coil winding is ____. CORRECT ANS-Open.
A three-way switch is equivalent to a ____ switch. CORRECT ANS-SPDT (Single Pole Double
Throw)
The main reason that electrical appliances are connected in parallel rather than series is ____.
CORRECT ANS-It makes the operation of each appliance independent with each other.
A step-up transformer increases ____. CORRECT ANS-Voltage.
A circuit with a lagging current means the circuit is ____. CORRECT ANS-Inductive.
If a conductor has a r distance of 0.2 Ohms and the length is doubled, the resistance becomes
____. CORRECT ANS-0.4 Ohms.
Insulating materials have the function of ____. CORRECT ANS-Preventing a short circuit
between conducting wires.
For current to flow the very basic circuit requirements are ____. CORRECT ANS-Voltage
source and a conductor.
A device of equipment which is suspended overhead either by means of a flexible cord carrying
current, or otherwise is a ____. CORRECT ANS-Pendant.
, In a series circuit with unequal resistances ____. CORRECT ANS-The highest resistance has
the highest voltage.
The kilowatt-hour meter can be classified as a/an ____ instrument. CORRECT ANS-Recording.
Transformer cores are built up from laminations rather than from solid metal so that ____.
CORRECT ANS-Eddy current loss is reduced.
An instrument used to check the motor shaft alignment is called a ____. CORRECT ANS-Dial
indicator.
In AC currents, the ratio of kw/kva represents the ____ factor. CORRECT ANS-Power.
Capacitance increases with ____. CORRECT ANS-Larger plate area and smaller distance
between plates.
A tool used by a lineman to remove insulation from large cables is called ____. CORRECT
ANS-Electrician's knife.
The condition of a liquid electrolyte in a better is measured in terms of its ____. CORRECT
ANS-Specific gravity.
In a parallel circuit, the total resistance is ____. CORRECT ANS-Smaller than the smallest
resistance in the combination.
A ____ is a machine used to transform mechanical energy into electrical energy. CORRECT
ANS-Generator.
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 TheeGrades. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now