NHIE code/common questions/AHIT
A practical glide check is being completed on a properly machine, and the float at the faucet
increases and reduces indicating that the properly pump is cycling on and off. What is a
probable illness?
Pressure regulator interior of the growth tank has long gone bad.
Pressure regulator internal of the pressure tank has gone horrific.
Small air pad or the growth tank becoming waterlogged
small air pad or the strain tank becoming waterlogged - ANS-
A cloth with a excessive resistance might be a _____.
Accurate conductor
top insulator
correct impartial cord
precise transformer - ANS-Good insulator
Boiler - Hot Water - ANS-Closed loop system, stays absolutely charged
Circulating pumps throughout as wished
12-15psi
Boiler - Steam - ANS-Sight glass for you to display decrease when actively heating
No circulating pumps wished
2-3psi
Hartford loop returns water as the steam cools
Branch and feeder corresponding sizes - ANS-15amp - 14g cu, 12gAL
20amp - 12g cu, 10g AL
30amp - 10g cu, 8g AL
40amp - 8g cu, 6g AL
60amp - 6g cu, 4g aL
100amp - 4g cu, 2g aL
Common stair codes - ANS-Max riser 7 3/4"
Min tread intensity nine or 10" (relying on supply)
Max of 3/eight" version or its a ride threat
If over 6 steps a light transfer required at pinnacle and bottom
Crawl area vent openings need to be within ___ at each corner - ANS-3 feet
, Crawl Space Ventilation with out a vapor barrier - ANS-1sq foot of air flow in keeping with 150sq
foot of floor
Crawl space air flow with vapor barrier - ANS-1sq foot of air flow in keeping with 1500sq foot of
floor
Difference in ambient temp to sign up temp with AC? - ANS-14-22 levels
Double wall vents also are known as? And want how plenty spacing? - ANS-B vents
1" of space
Easy approaches to ID heat pump vs AC - ANS-Reversing valve/four way valve
Arrows going both directions online
Elevated at least 6" from pad
Electric panel screws must have - ANS-Blunted ends and shallow cut, closely threaded
High efficiency furnace ID (condensate) - ANS-PVC vents
Condensate tube/condensate pump/ draft inductor
How does compression act on structural contributors?
It bends them.
It pulls at the individuals and makes them longer.
It pushes at the members and makes them shorter.
It twists them. - ANS-It pushes at the participants and makes them shorter
How many risers to want a railing? - ANS-Three or extra risers
How many wires into a prime panel with 240 - ANS-Three: Two warm and one neutral
How many wires right into a sub panel? - ANS-Four: Two warm, one neutral, one ground
How an awful lot humidity do mould spores commonly need to end up active? - ANS-70%
How lots space required in the front of electric panel? - ANS-Three foot in front
Thirty inches to the edges
Loose hemp or jute fiber impregnated with tar or pitch and used to caulk massive seams or for
packing plumbing pipe joints - ANS-Oakum
Low effeciency furnace ID (conventional) - ANS-Constant flame
Metal vents
No draft inductor
A practical glide check is being completed on a properly machine, and the float at the faucet
increases and reduces indicating that the properly pump is cycling on and off. What is a
probable illness?
Pressure regulator interior of the growth tank has long gone bad.
Pressure regulator internal of the pressure tank has gone horrific.
Small air pad or the growth tank becoming waterlogged
small air pad or the strain tank becoming waterlogged - ANS-
A cloth with a excessive resistance might be a _____.
Accurate conductor
top insulator
correct impartial cord
precise transformer - ANS-Good insulator
Boiler - Hot Water - ANS-Closed loop system, stays absolutely charged
Circulating pumps throughout as wished
12-15psi
Boiler - Steam - ANS-Sight glass for you to display decrease when actively heating
No circulating pumps wished
2-3psi
Hartford loop returns water as the steam cools
Branch and feeder corresponding sizes - ANS-15amp - 14g cu, 12gAL
20amp - 12g cu, 10g AL
30amp - 10g cu, 8g AL
40amp - 8g cu, 6g AL
60amp - 6g cu, 4g aL
100amp - 4g cu, 2g aL
Common stair codes - ANS-Max riser 7 3/4"
Min tread intensity nine or 10" (relying on supply)
Max of 3/eight" version or its a ride threat
If over 6 steps a light transfer required at pinnacle and bottom
Crawl area vent openings need to be within ___ at each corner - ANS-3 feet
, Crawl Space Ventilation with out a vapor barrier - ANS-1sq foot of air flow in keeping with 150sq
foot of floor
Crawl space air flow with vapor barrier - ANS-1sq foot of air flow in keeping with 1500sq foot of
floor
Difference in ambient temp to sign up temp with AC? - ANS-14-22 levels
Double wall vents also are known as? And want how plenty spacing? - ANS-B vents
1" of space
Easy approaches to ID heat pump vs AC - ANS-Reversing valve/four way valve
Arrows going both directions online
Elevated at least 6" from pad
Electric panel screws must have - ANS-Blunted ends and shallow cut, closely threaded
High efficiency furnace ID (condensate) - ANS-PVC vents
Condensate tube/condensate pump/ draft inductor
How does compression act on structural contributors?
It bends them.
It pulls at the individuals and makes them longer.
It pushes at the members and makes them shorter.
It twists them. - ANS-It pushes at the participants and makes them shorter
How many risers to want a railing? - ANS-Three or extra risers
How many wires into a prime panel with 240 - ANS-Three: Two warm and one neutral
How many wires right into a sub panel? - ANS-Four: Two warm, one neutral, one ground
How an awful lot humidity do mould spores commonly need to end up active? - ANS-70%
How lots space required in the front of electric panel? - ANS-Three foot in front
Thirty inches to the edges
Loose hemp or jute fiber impregnated with tar or pitch and used to caulk massive seams or for
packing plumbing pipe joints - ANS-Oakum
Low effeciency furnace ID (conventional) - ANS-Constant flame
Metal vents
No draft inductor