Why should ultraviolet germicidal lamps NOT be handled with bare hands?
A) The residual UV in the lamp coating can cause severe burns.
B) The coating on the outside of the lamp is toxic.
C) The oil from your fingerprints can lead to premature failure of the lamp.
D) The exterior UV coating will wipe off, reducing the UV output.
C
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____ are the parallel framing members that make up most of the floor framing.
A. Sill plates B. Floor joists C. Box sills D. Sill sealers
The fluid circulated through the water coil of a geothermal heat pump system:
A) Is typically connected to the local water utility system. B) Comes from condensation water collected off the evaporator. C) Is circulated through a heat transfer loop buried in the ground. D) Is circulated through a cooling tower.
The _____ keeps the linkage level and supported to prevent bump steer.
A. crosslink system B. idler arm C. pitman arm D. steering column