What are some advantages of the mini-split heat pump?
What will be an ideal response?
Mini-split units have no duct losses. The indoor section is sleek and attractive and will not block incoming light such as a standard window mounted air conditioner. Each space has its own thermostat, which allows for reducing the cooling or heating supply when no one is there, which will save on energy costs.
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How many full 7-foot lengths can a welder cut from a 62-foot-long piece of I-beam?
What will be an ideal response?
What are the disadvantages of an ammeter?
What will be an ideal response?
Given the op amp circuit in Fig. 16.90. If v?(0+) = 2 V and v?(0+) = 0 V, find vo for t > 0. Let R = 100 k? and C = 1 ?F.
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Before starting to change a belt on a belt drive blower, the technician should:
A) Wedge a metal bar between the pulley and the unit housing to prevent it from starting. B) Turn the power to the unit off and lock it out. C) Turn the thermostat off and leave instructions not to turn it on. D) Put on heavy work gloves in case the unit is inadvertently started while changing the belt.