An R-22 system is operating with a liquid pressure of 226 psig (110° saturation temperature). The specified system subcooling is 5°F. The liquid-line temperature should be:
A) 115°F. B) 110°F. C) 100°F. D) 105°F.
D
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Hand layup laminates generally use ____ materials.
A. ?molded B. ?extruded C. ?thermoplastic D. ?thermosetting
If fertilizer recommendations call for 50 pounds of actual nitrogen per acre, how
many pounds of a 10-10-10 fertilizer would you need to apply to 1 acre?
What will be an ideal response?In a heat reclaim system, the vapor line carrying hot refrigerant vapor to the heating coil is connected to the ____.
A. liquid line B. hot gas line C. suction line D. compressor line
Information display systems used in connection with Class E Fire Alarm Signal Systems shall be of an approved electrically supervised type. The indicating devices shall describe
A. the purpose they serve B. the name of the manufacturer C. the date of system installation D. the source of the power supply