What are precast hollow-core decking units and when are they used?
What will be an ideal response?
Precast hollow-core decking units, used for long spans, are placed on the steel framing with a crane. For better bonding with topping materials, their top surface is often left rough. The topping helps tie precast units together and increases a roof's or floor's structural integrity. Reinforcing can be cast in the topping.
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Silt particles are ____________________ than sand and have diameters between .002 mm and .05 mm
Fill in the blank(s) with correct word
If dried manure has more than 20% water content, it can be burned directly
Indicate whether the statement is true or false
What is the purpose of an oil return system for a chiller?
What will be an ideal response?
A 60 Hz line voltage is supplying a MOD 60 counter through a Schmitt trigger. The clock frequency:
A) would be conditioned and independent from line frequency. B) would still be dependent on line frequency. C) is generated by an oscillator powered from the line frequency. D) Both B and C