On an R-410A air conditioning system, the refrigerant leaving the ________ is 118 psig, 50°F, 100 percent superheated gas
A) evaporator B) condenser C) metering device D) compressor
A
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Which of the following characteristics of irrigation water is most apt to stimulate the formation of a sodic soil?
A) high Ca2+ and Mg2+ content B) low pH C) high content of chlorides D) high selenium content E) high SAR values
Terminal units mounted on the exterior wall of a building that can provide outside ventilation with space heating and or cooling are ________________
A. make-up air units B. unit heaters C. passive chilled beams D. unit ventilators
Technician A says that the wheel bearing on a unitized hub system should not require adjustment during the life of the hub. Technician B says that periodic topping up of oil in wheel hubs is eliminated in some types of unitized axle. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
The symbol CR refers to contour radius.
Answer the following statement true (T) or false (F)