If unused mortar stiffens due to hydration of cement, what must you do?
- Precise Answer ✔✔Discard the mortar
What minimum time must you wait before caulking or grouting new
tiles? - Precise Answer ✔✔24-48 Hours
How long should you wait before installing tile on a shower pan? -
Precise Answer ✔✔24 Hours
Unstable dry rock, angular gravel, sandy loam, and cohesive soils having
compressive strengths greater than 0.5 and less than 1.5 tons/sq ft (tsf),
are typical examples of: - Precise Answer ✔✔Type-B Soils
If 65 street lights are fed by a 2275 volt series circuit, what is the voltage
across each light? - Precise Answer ✔✔35V
In a series circuit, the total voltage is divided equally.
For safety reasons, the maximum simple slope of an excavation, up to 20
ft deep, in Type-B soil is: - Precise Answer ✔✔1:1 (45°)
,A Pittsburgh joint is used in: - Precise Answer ✔✔HVAC ductwork
The drain for a pressure relief valve on a water heater should be
extended to: - Precise Answer ✔✔The outside of the building
What is the minimum slope toward the drain of a shower pan? - Precise
Answer ✔✔1/4" per foot (2%)
What is the diameter of #3 rebar? - Precise Answer ✔✔3/8"
If a vendor fails to provide an MSDS, you have the right to call: -
Precise Answer ✔✔Cal/OSHA or DOSH
When installing a door jamb, you need shims at: - Precise Answer
✔✔Both hinge and strike sides, three on each side.
Which of the following is used to adhere vinyl floors?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. White glue - Precise Answer ✔✔Epoxy cement
,When do you need bracing for a drywall wall? - Precise Answer
✔✔Diagonal bracing is needed every 25' for any drywall wall.
How should you clear the roots from a construction site? - Precise
Answer ✔✔Clear roots to 12" below grade.
Dividing watts by amps gives you: - Precise Answer ✔✔Volts
The most frequent on-the-job roofing accidents are: - Precise Answer
✔✔Falls
Which of the following is NOT a type of wood block flooring?
A. Parquet
B. Wood Mosaic
C. Wood Tile
D. All of the above. - Precise Answer ✔✔Wood tile
Lightweight concrete is best used for:
A. Curb and Gutter
B. Second floor decking
C. First floor slab on grade
D. Footings - Precise Answer ✔✔Second floor decking
, The tool used to carry grout needed to patch a small hole is a:
A. Hawk
B. Poling board
C. Spot board
D. Mason's scutch - Precise Answer ✔✔Spot Board
Which pipe is NOT appropriate for industrial wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength vitrified clay
D. Copper - Precise Answer ✔✔Copper
Where do you need a fire wall?
A. Between a living room and a bedroom
B. Between a bedroom and a bathroom
C. Between a kitchen and a bath
D. A separation wall between a dwelling and an attachment - Precise
Answer ✔✔A separation wall between a dwelling and an attachment.
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 YANCHY. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.49. You're not tied to anything after your purchase.