In a closed-loop system, the plastic water pipes that are buried in the Earth are called ____.
A. ground loops
B. thermal loops
C. water loops
D. both a and c
Answer: D
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The ___________ of the stairs depends on the relationship between tread width and riser height.
A. steepness B. landing C. stringers D. newel post
Steering components are connected by _______
A) Rubber bushings B) Ball and socket joints C) U-joints D) None of these
The Certificate of Fitness Holder shall maintain a detailed record of all sprinkler head inspections. A record card with the date of each inspection, the Certificate of Fitness number, and the signature of the Certificate of Fitness holder shall be posted
A. near the main control valve B. near the main OS & Y valve C. near the Chief Engineers Office D. near the main siamese connections valve
Consider the flow of mercury (a liquid metal) in a tube. How will the hydrodynamic and thermal entry lengths compare if the flow is laminar? How would they compare if the flow were turbulent?
What will be an ideal response?