Exam (elaborations)
NETA 2 exam questions with answers
- Course
- Institution
NETA 2 exam questions with answers
[Show more]
Content preview
NETA 2 exam questions with answersUnder what considerations can tag out without lock out be permitted? - ANSWER: ➡ ***&If an energy
k k k k k k k k k k k k kk k k k
isolating device is not capable of being locked
k k k k k k k k
For PV systems, a(n) _____ is a device that changes direct-current input to an alternating-current
k k k k k k k k k k k k k k
output. - ANSWER: ➡ Inverter
k k k kk k
Identify the contact pictured above. (NC and NO separated by a node) - ANSWER: ➡ Form C
k k k k k k k k k k k k k kk k k
When applying personal protective grounds, which end is attached first? - ANSWER: ➡ ***&The
k k k k k k k k k k k kk k
equipment end
k k
An induction motor has 40kVA input power, a power factor of 82 percent, and an efficiency of 92
k k k k k k k k k k k k k k k k k
percent. What is the horsepower? - ANSWER: ➡ ***&30.2 HP
k k k k k k k kk k k
How many connection points would you expect to find on a kelvin bridge? - ANSWER: ➡ 4
k k k k k k k k k k k k k k kk k
You arrive at a job to perform acceptance testing on a new-indoor 15KV switch lineup. While the
k k k k k k k k k k k k k k k k
equipment has been installed multiple covers are off there are power conductors hanging with taped
k k k k k k k k k k k k k k k
ends. What should you do? - ANSWER: ➡ ***&Visually confirm that the source of power have already
k k k k k k k kk k k k k k k k k k
been de-energized and lock out
k k k k k
What is the turns ratio of a 3-phase 500kVA, 13,200-480 volt rated delta-delta transformer that is 80%
k k k k k k k k k k k k k k k k
loaded? - ANSWER: ➡ ***&22.000
k k k kk k
***27.500
ASTM D 924 is a required acceptance test for liquid-filled transformers with natural ester insulating
k k k k k k k k k k k k k k
fluid per NETA standards. - ANSWER: ➡ ***&True
k k k k k k kk k
,NETA-ATS requires test decals be affixed on the exterior of equipment or equipment enclosure of
k k k k k k k k k k k k k k
protective devices after performing electrical tests. Which color test decal would you affix to a piece of
k k k k k k k k k k k k k k k k k
equipment with a minor deficiency that does not affect its fault detection or operation? - ANSWER: ➡
k k k k k k k k k k k k k k k k kk
Yellow
k
What is meant by a "dead tank breaker?" - ANSWER: ➡ The external tank is grounded.
k k k k k k k k k kk k k k k k
If you have your ground conductor running through your zero-sequence CT with your current carrying
k k k k k k k k k k k k k k
conductors, what will happen? - ANSWER: ➡ Ground fault protection won't function
k k k k k k kk k k k k k
Which of the following would best describe a 52 device: - ANSWER: ➡ AC circuit breaker
k k k k k k k k k k k kk k k k
A series circuit has two resistors. The resistors dissipate 10 W and 15 W. What is the total power
k k k k k k k k k k k k k k k k k k
dissipation of the circuit? - ANSWER: ➡ 25 W
k k k k k k kk k k
Which of the following would be the best choice for use in both the conductive and mechanical areas of
k k k k k k k k k k k k k k k k k k
circuit breakers and switches? - ANSWER: ➡ Mobil 28
k k k k k k kk k k
What is the power factor temperature correction value for new mineral oil? - ANSWER: ➡
k k k k k k k k k k k k k kk
***&20C/40C
k
OSHA requires the testing of a volt meter after a voltage test on voltage above ______. - ANSWER: ➡
k k k k k k k k k k k k k k k k k kk
600V
k
A tagout device must be strong enough to remain attached under a minimum of ____ lbs of force. -
k k k k k k k k k k k k k k k k k k
ANSWER: ➡ 50
k kk k
A piece of wire that is 0.001 inches in diameter and 12 inches long is one mil-foot. - ANSWER: ➡ True
k k k k k k k k k k k k k k k k k k kk k
At least 2 entrances of sufficient area must be provided giving access to the electrical equipment
k k k k k k k k k k k k k k k
working space. - ANSWER: ➡ ***&True
k k k k kk k
, What is the Restricted Approach Boundary for a 69kV system? - ANSWER: ➡ ***&3 ft 10 in.
k k k k k k k k k k k kk k k k k
Which portion of the transmission system experiences faults occur most frequently? - ANSWER: ➡
k k k k k k k k k k k k kk
Overhead lines
k k
To reverse the direction of rotation of a three-phase motor, reverse: - ANSWER: ➡ any two leads
k k k k k k k k k k k k kk k k k
When can an unqualified person enter the Limited Approach Space? - ANSWER: ➡ ***&They are never
k k k k k k k k k k k kk k k k
allowed within the Limited Approach space
k k k k k k
Cells are connected in series to increase: - ANSWER: ➡ ***Voltage rating
k k k k k k k k kk k k
The three-phase connection in which one end of each of the windings are connected together is called
k k k k k k k k k k k k k k k k
the _____ connection. - ANSWER: ➡ ***delta
k k k k k kk k
What is the recommended minimum insulation-resistance value for motor windings made before
k k k k k k k k k k k
1970? - ANSWER: ➡ ***100 Megohms per kV + 1
k k k kk k k k k k k
A digital multimeter, when set to read voltage, has an input impedance of - ANSWER: ➡ ***a fixed, high
k k k k k k k k k k k k k k kk k k k
impedance regardless of range
k k k k
Class 00 rubber insulating gloves are proof tested at 2,500 VAC, what color label would you expect to
k k k k k k k k k k k k k k k k k
find on these gloves? - ANSWER: ➡ ***White
k k k k k k kk k
Write three thousand fortyeight tenthousandths in decimal form. - ANSWER: ➡ ***0.3048
k k k k k k k k k kk k
What is the primary purpose of the National Electrical Code? - ANSWER: ➡ ***The practical
k k k k k k k k k k k kk k k
safeguarding of persons and property from electrical hazards.
k k k k k k k k
Each switchboard used as service equipment should be provided with a main bonding jumper. -
k k k k k k k k k k k k k k
ANSWER: ➡ ***True
k kk k
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 Schoolplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now