NHIE EXAM NEWEST 2024 ACTUAL EXAM TEST BANK COMPLETE QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+
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NHIE EXAM NEWEST 2024 ACTUAL EXAM TEST BANK COMPLETE QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+
Which type of valve shuts off the water supply and allows the system plumbing to be drained? - Answer Stop and waste valve
Copper piping requires a vertical support at what...
NHIE EXAM NEWEST 2024 ACTUAL
EXAM TEST BANK COMPLETE
QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+
Which type of valve shuts off the water supply and allows the system plumbing to be
drained? - Answer ✔ Stop and waste valve
Copper piping requires a vertical support at what interval? - Answer ✔ At least every 10
ft
Plastic piping needs more support than copper piping because it tends to expand more -
Answer ✔ True
Which type of connection is a piping arrangement in which waste can back up into the
supply piping and contaminate it when the pressure drops on the supply side - Answer
✔ Cross connection
Why is it not usually not acceptable to use plastic pipe between units shared dwellings?
- Answer ✔ Because it is combustible
Vertical pipes at ends of runs are one method of preventing which of the following? -
Answer ✔ Water hammer
Which two of the following methods are used to determine the rating of a water heater?
- Answer ✔ The volume of water it can hold, The size of the burner
When two water heaters are installed side by side, the piping should be installed in this
way - Answer ✔ In parallel
Which one of the following reasons explains why a toilet does not need a trap? - Answer
✔ The bowl itself is a trap
The typical vent size on a sewage ejector pump is - Answer ✔ 2 inches
What are the two main types of roofing systems? - Answer ✔ Sloped roofs, Flat roofs
,The slope of a roof is typically called the - Answer ✔ Pitch
Which of the following slopes is considered a low slope? - Answer ✔ 2 in 12 to 4 in 12
How do you calculate the slope of a roof? - Answer ✔ Rise/run
Roofs with a pitch than four in twelve are considered this kind of roof system: - Answer
✔ Conventional
The steeper the pitch of the roof, the longer the shingles will last - Answer ✔ True
The granular material on asphalt shingles protect it from - Answer ✔ Ultra violet light
Which of the following is one of the biggest enemies of asphalt roofs? - Answer ✔
Sunlight
What is the life expectancy of wood shingles? - Answer ✔ 30 to 40 years
High quality slate roofs have an average life expectancy of - Answer ✔ 60 to 100 years
Why are concrete and clay tiles notoriously difficult to flash? - Answer ✔ They are not
flat
Which of the following roof coverings often discolor and promote the growth of fungus or
moss? - Answer ✔ Asbestos cement shingles
Metal roofs should be covered with tar in order to seal the surface - Answer ✔ False
Built up roofs are commonly called - Answer ✔ Tar and gravel roofs
A lack of gravel in built-up roofing can cause rapid deterioration of the roof surface.
which of the following is a condition that occurs as the surface breaks down and
dehydrates due to exposure to sunlight. - Answer ✔ Alligatoring
Roll roofing is sometimes known as - Answer ✔ Selvage roofing
A water stain on a ceiling of a built-up roof indicates a leak immediately above. - Answer
✔ False
Which of the following is an alternative to built-up roofing? - Answer ✔ Modified bitumen
As a general rule, shedding type roofs should have a slope of - Answer ✔ Four in twelve
or more
, An asphalt shingle roof can be installed immediately over one other layer of asphalt
shingles - Answer ✔ True
Choose two typically vulnerable areas of a roof - Answer ✔ Changes in roof direction
changes in materials occurs
Effective solutions to ice damming problems are increased - Answer ✔ Attic insulation
and ventilation
How wide are metal valley flashings? - Answer ✔ 24 inches wide
In most cases, the condition of hip and ridge flashings is not a major concern since
water is always shed away from them - Answer ✔ True
What is the portion of a chimney flashing that is most prone to leakage? - Answer ✔ The
portion facing the high section of roofing
If wood siding is used as a material on a dormer, how high above the main roof surface
should It stop so that rot does not occur? - Answer ✔ 2 inches
Where a roof meets a parapet wall, what is required? - Answer ✔ Flashings
It is not uncommon for this to form on the interior of skylights - Answer ✔ Condensation
This metal flashing is provided along the lower edge of some sloped roofs and is
intended to direct water from the roof edge into the gutters without damaging the fascia
or roof sheathing edges - Answer ✔ Drip edge
Chimneys of insufficient height are prone to - Answer ✔ Downdraft problems
Chimneys should be a minimum of three feet above the point of penetration through the
roof and two feet higher than anything within - Answer ✔ 10 ft
Steep, simple roofs are more likely to develop problems than roofs with a variety of
slopes, angles, and penetrations - Answer ✔ False
If all the parts are doing their job, the exterior components of a building work together to
provide - Answer ✔ Weathertight skin
Typically, what are the most neglected parts of a home - Answer ✔ Exterior components
`What are the two most common sizes of gutters? - Answer ✔ 4 inches width or 5
inches width
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