Extra Questions Flashcards
You notice isolators on the ductwork During an Inspection. What are they for:
- To reduce transmission of vibration from motor
- to reduce noise in ductwork
- allow for expansion
How much overlap is required for a girder on concrete:
3”
Three- prong receptacles require:
Grounding conductor
Deck built 14” off ground around the house:
Requires no railing
Mid-efficiency furnace :
No draft diverter needed
What is the proper way to flash around the chimney for the tile roof:
Counter and Pan flashing
Moisture accumulates in poorly vented attic because
Warm air rises and condenses
What determines the size of a fireplace flue:
Opening of the fireplace
Flat roof is used as a deck,plumbing vent must extend:
7 feet
At what psi does water pressure become a concern:
Over 80
How much exposure is required for an 18” and 24” Shake roof
7 1/2” and 10”
In a steam heating system, a normal operating pressure is:
3-5 psi
You have a 4 ply bitumen built-up roof .this consist of:
4 layers of felt-4 layers of bitumen
You are inspecting a home built in 1950 and see a silver wire to a branch circuit l.this would be?
Tin coated copper
What is the bearing point of a scissor truss:
Outside walls
