One access means to working spaces is permitted where the location provides ____.
A. a continuous and unobstructed exit
B. adequate sprinkler coverage
C. balcony exits
D. adequate overhead clearance
Answer: A
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Quantum theory describes electromagnetic radiation as consisting of particles called ____, which are energy packets that move at the speed of light.
A. protons B. photons C. hadrons D. qubits
Glide is the range of temperatures/pressures in which a blended refrigerant will condense.
Answer the following statement true (T) or false (F)
____________________ the problem before writing computations.
Fill in the blank(s) with the appropriate word(s).
When a refrigerant enters the compressor, it is a ____ and when it leaves the compressor, it is a ____.
A. low pressure low temperature superheated vapor, high pressure high temperature superheated vapor B. low pressure low temperature superheated vapor, low pressure low temperature subcooled vapor C. high pressure superheated vapor, low pressure superheated vapor D. low pressure low temperature subcooled liquid, high pressure high temperature superheated vapor