An advantage of a "parallel flow" configuration of ground loops is ____.
A. smaller diameter pipes
B. ease of removing trapped air
C. simplified flow path
D. higher heat transfer per foot
Answer: A
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What seal of approval is required on the personal safety (hearing protection, eye protection, boots, etc,) apparel worn by diesel technicians?
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Answer the following statements true (T) or false (F)
1. A guarantee and a warranty mean the same thing. 2. The extended warranty offered by a new car dealer covers the same items as the factory warranty. 3. A new vehicle has been driven for a while with the car out of alignment. After alignment, the tire manufacturer will replace the worn tires at no charge. 4. All new vehicles, and some low-mileage used vehicles, have warranties. 5. An extended warranty is much like an insurance policy.
The desire for continuous maintenance of a property also involves a series and sequence of activities
Indicate whether the statement is true or false
What controls the heating elements in most electric furnaces?
A) Contactors B) Heat relays C) Sequencers D) Thermistors