What is the purpose of adding fins on the tubing used for heat transfer?
A) Fins straighten the air flowing over the coils so that it flows more easily.
B) Fins keep small animals out of the unit by closing the gaps between the coils.
C) Fins protect the coils from dirt.
D) Fins increase heat transfer by increasing the surface area.
D
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Explain the primary differences between the CM as Agent or Advisor (CMa) and the CM as Constructor (CMc) delivery methods.
What will be an ideal response?
When preparing a crane for assembly of a lattice boom, _____.
a. extra counterweight sections may be required during boom assembly b. A/D personnel stage counterweights for installation after boom assembly c. only the rear counterweights are installed d. retract extendable counterweights during boom assembly
When using an oscilloscope to make measurements, the first step is _____.
A. initializing the scope B. connecting the probe to the circuit C. connecting the ground lead to circuit ground D. compensating the probe
The number of traffic accidents at a certain intersection is thought to be well modeled by a Poisson process with a mean of 3 accidents per year.
a. Find the mean waiting time between accidents. b. Find the standard deviation of the waiting times between accidents. c. Find the probability that more than one year elapses between accidents. d. Find the probability that less than one month elapses between accidents. e. If no accidents have occurred within the last six months, what is the probability that an accident will occur within the next year?