Is the thickness of precast concrete curtain wall panels determined by lateral load considerations, or some other factors? Explain.
What will be an ideal response?
The main determinant for panel thickness is the panel strength at the time of lifting it from the casting bed.
Durability is another determinant.
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The depth of a glulam beam (vertical dimension) is generally a multiple of a certain dimension. What is that dimension?
What will be an ideal response?
Main bearings and rod bearings should be checked for proper oil clearance by precision measuring the crankshaft journals and inside diameter of bearings, or by using which of these?
A) Rubber gauging material B) Steel ruler C) Vernier caliper D) Plastigage material
Why does the compression-refrigeration cycle have a high-pressure side and a low-pressure side?
A) So the refrigerant can condense at a low pressure and temperature and evaporate at a high pressure and temperature B) The pressure difference is the result of polar molecular alignment due to the intense magnetic field created by the compressor motor. C) So the refrigerant can evaporate at a low pressure and temperature and condense at a high pressure and temperature D) The pressure difference is not intentionally created, but is simply the result of circulating refrigerant with the compressor.
What is the possible consequence of cutting through a bonded roof to install a vent pipe?
A) Cutting through bonded roofing is safe because the roof is insured B) The vent will not vent correctly when passing through a bonded roof C) The HVACR contractor could ultimately be liable for any water damage resulting from leaks D) An electrical short between the vent pipe and the bond on the roof