NHIE Study Questions with All Correct Answers
What is the minimum electrical clearance over a residential driveway? - Answer- 12 feet
Which event is most likely to cause arc flash? - Answer- Metal touching an energized conductor
In a subpanel, you are required to - Answer- Isolate the neu...
NHIE Study Questions with
All Correct Answers
What is the minimum electrical clearance over a residential driveway? - Answer- 12 feet
Which event is most likely to cause arc flash? - Answer- Metal touching an energized
conductor
In a subpanel, you are required to - Answer- Isolate the neutral bus and conductors
from contacting the panel enclosure
Aluminum branch circuit wiring was commonly used in what years? - Answer- 1965-
1978
A circuit breaker protects against too much - Answer- Current
The minimum electric service clearance above the roadway is: - Answer- 18 feet
What action would most likely reduce fiberglass batt insulation R value by the largest
amount? - Answer- Compressing the insulation reduces the open cell volume to hold
heat.
What is the cause of the condensation on the vent pipe? - Answer- Vent pipe is
oversized
Permeability is the property of a material that allows the passage of: - Answer- Water
vapor
What is the MOST likely indication that an electric water heater lower element has
failed? - Answer- Some hot water, then warm water at all faucets
1. Installed lighting above an existing outdoor pool shall have a height clearance above
the water level of a minimum of - Answer- 12 feet
1. Historically, spaced or skip sheathing has been used for roof decking because it -
Answer- allows for drying of roof material.
1. Where might you expect to find safety glass in a window? - Answer- Less than 18
inches above the floor
, 1. A home inspection agreement is most likely to be interpreted using which law? -
Answer- State
From which component in an split air conditioner does the refrigerant leave as a hot,
high pressure gas? - Answer- Compressor
The ___________ compresses the refrigerant by packing the molecules tightly together
as does a piston in a internal combustion engine which increases pressure and the
refrigerant material. - Answer- Compressor
The device used to detect the electrical current to the electric heater coil is called -
Answer- an ammeter
An _________ measures current flow. A closed circuit allows current to flow. An electric
heater coil uses electricity and you measure the amount of current flow with an
ammeter. - Answer- an ammeter
In which location may NMC cable be installed? - Answer- Run through holes in floor
joists in a crawlspace.
While inspecting a metal framed building, you observe non-metallic sheathed wire
installed through standard cut-outs. Your recommendation should be - Answer- plastic
grommets should be installed.
What is the MINIMUM allowable separation between a masonry chimney and
combustible materials? - Answer- 2 inches
To measure carbon monoxide, you should use a - Answer- CO detector
When installing flexible supply air ducts under a floor joist space, the minimum
requirement for the proper strapping sequence is generally - Answer- 1½" wide and at 4'
spacing.
1. In a subpanel, you are required to - Answer- isolate the neutral bus and conductors
from contacting the panel enclosure
1. A GFCI functions by sensing - Answer- a current imbalance
1. Reversed polarity in a receptacle means - Answer- the hot and neutral conductors
are reversed.
1. Relative humidity is expressed as - Answer- A percentage
1. A common place for steel enamel sinks to rust out and leak is the - Answer- Overflow
channel
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 Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.