GFCI protection is required on all 125V, single-phase, 15A and 20A nonlocking type receptacles that are used to assemble or disassemble rides, amusements, or concessions, or when exposed to the _____.
a. general public
b. environment
c. operator
d. ground
a. general public
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A(n) ____ is an electric safety switch that automatically opens a circuit when excessive amperage occurs.
A. breaker B. inverter C. transformer D. panel
A ____ plan shows the size and location of all concrete pours.
A. pour B. slab C. grade-to-slab D. slab-on-grade
Explain the difference between thermosetting and thermoplastic roof membranes, and give at least one example of each. How does the difference between the two types influence the sealing of lap seams between adjacent membranes?
What will be an ideal response?
A gas enters a compressor at T=25 ?C and P=0.2 bar, and exits at T=150 ?C. The compressor operates at steady state, and can be modeled as both adiabatic and reversible. The ideal gas heat capacity of the gas can be considered constant at C_V^*=5R.
A) What is the pressure of the gas leaving the compressor? B) Suppose the entering pressure had been 5 bar instead of 0.2 bar, but everything else were the same. Discuss which (if any) aspects of the solution to part A would still be applicable, and which aspects (if any) would no longer be applicable.