CMP 124 Exam Questions and Answers
100% Correct | Graded A+
What is a CMU made out of? - Portland Cement
Water
Fine aggregates
Admixtures
How heavy is a Standard Weight CMU? - 45 Lbs
How heavy is a Light Weight CMU? - 25 Lbs
Can light weight CMU be used underground? - No, only heavy weight
...
Can light weight CMU be used underground? - ✔✔No, only heavy weight
CMU can be used underground level
What is the difference between Type 1 and Type 2 CMU? - ✔✔Type 1 is
M.C. controlled
Type 2 is not restricted to M.C.
What is the best grade of CMU? - ✔✔N- Suitable for general use - exterior
wall
Above or below grade
, What does the R-value mean? - ✔✔R-Values- Resistant to heat transfer
(Gain or Loss) Higher R-value is better
Weathering grades name them. SW, NW, NW, FBX, FBS - ✔✔SW- Severe
weather
MW- Moderate Weather
NW- negligible weather
FBX
Best quality- size/ shape uniform, narrow color range
FBS
Wide range of colors, greater size variation
What are the pros of Exterior Plywood, and what quality grade? -
✔✔Exterior
Waterproof glue
Only 'C' grade veneer and better
What is the pros of Interior Plywood, and what grade? - ✔✔Interior
'D' grade and better veneer
2 levels of exposure w/in the interior
Exposure 1 - waterproof
Exposure 2 - water resistant
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