Which two types of heat can an evaporator remove from the air?
A. radiant, conduction
B. sensible, radiant
C. latent, sensible
D. superheat, subcooling
Answer: C
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The formula for a RC time constant is: Time = Resistance x ____.
A. Current B. Voltage C. Pin number D. Capacitance
Cellular phones are becoming the primary means for telephone communication in developing countries. Hardwiring (copper or fi ber) does not have to be in place to use cell phones. Discuss how cell phones operate, including the need for cell towers, roaming, and satellite connectivity. Include the issue of privacy in your discussion. It is easy to listen to other people’s cellular conversations, but is it legal?
What will be an ideal response?
If workers are on different levels of a scaffold, ____ must be installed as an overhead protection for lower-level workers.
a.guard planks b.screwjacks c.toeboards d.cross frames
One BTU is equal to _________________ calories
A) 100 B) 212 C) 252 D) 32