What is the purpose of adding fins on the tubing used for heat transfer?
A) Fins protect the coils from dirt.
B) Fins increase heat transfer by increasing the surface area.
C) Fins keep small animals out of the unit by closing the gaps between the coils.
D) Fins straighten the air flowing over the coils so that it flows more easily.
B
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Estimate the weight of the air in a 10 m × 12 m × 20 m classroom.
A) 14 kN B) 29 kN C) 56 kN D) 94 kN
What is the formula for calculating the volume of large pieces of lumber?
What will be an ideal response?
Technician A says that the access hole for the starwheel adjuster may be in the brake drum web. Technician B says that the access hole for the starwheel may be found in the backing plate. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
It is important to sketch features of an object lightly by estimating distances within the rectangular box, which has already been drawn.
Answer the following statement true (T) or false (F)