NHIE Exam 2025 Questions and
Answers 100% Pass
Connections of dissimilar metal in a plumbing system, such as galvanized steel pipe
and copper pipe will usually cause - ✔✔electrolysis
An electrical system with a fuse on the neutral conductor and on the energized (hot)
conductors - ✔✔is hazardous and should be corrected
Brick chimneys on older properties with oil heat sometimes curve above the roof
line, with no visible cracks. What is a possible cause of this curving? - ✔✔Expansion
of mortar
What has the least effect on the deflection of a dimension lumber floor system? -
✔✔Joist width
What protects the wires from an electrical overload? - ✔✔Circuit breakers
If a system designed for use with natural gas is supplied with propane gas - ✔✔the
flame will be too high unless a smaller orifice is installed
What are usually designed for two-point bearing? - ✔✔Roof trusses
On a hillside house with foundation drain systems - ✔✔the foundation drain
systems collect water passing laterally through the slope
A subpanel in an older house that is wired with non-metallic sheathed cable (NM)
has one circuit with a ground wire. The ground wire - ✔✔Should be connected to a
separate grounded buss bar
COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED 1
Answers 100% Pass
Connections of dissimilar metal in a plumbing system, such as galvanized steel pipe
and copper pipe will usually cause - ✔✔electrolysis
An electrical system with a fuse on the neutral conductor and on the energized (hot)
conductors - ✔✔is hazardous and should be corrected
Brick chimneys on older properties with oil heat sometimes curve above the roof
line, with no visible cracks. What is a possible cause of this curving? - ✔✔Expansion
of mortar
What has the least effect on the deflection of a dimension lumber floor system? -
✔✔Joist width
What protects the wires from an electrical overload? - ✔✔Circuit breakers
If a system designed for use with natural gas is supplied with propane gas - ✔✔the
flame will be too high unless a smaller orifice is installed
What are usually designed for two-point bearing? - ✔✔Roof trusses
On a hillside house with foundation drain systems - ✔✔the foundation drain
systems collect water passing laterally through the slope
A subpanel in an older house that is wired with non-metallic sheathed cable (NM)
has one circuit with a ground wire. The ground wire - ✔✔Should be connected to a
separate grounded buss bar
COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED 1
