The coolant heat storage system is being discussed. Technician A says that the water valve is driven by an electric motor. Technician B says that the storage tank has its own electric water pump. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician
C) Both technicians
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Answer the following statements true (T) or false (F)
1. In a suspended ceiling system, steel hanger wires are supplied by the manufacturer already cut to length. 2. The strongest metal suspension system is always a properly installed direct-hung system. 3. It is not possible to use lath and plaster with a suspended ceiling structure. 4. Ceiling materials are essentially limited to drywall, lath and plaster, and acoustical tiles.
Describe how transportation influenced the initial settlement and subsequent development of your home city or state.
What will be an ideal response?
In what year was oxyacetylene introduced?
A) 1836 B) 1929 C) 1902 D) 1859
Control valves used for water coils are typically:
A) Three-way valves. B) Four-way valves. C) Either two-way or three-way valves. D) Two-way valves.