What is the purpose of the heat anticipator in a room thermostat?
What will be an ideal response?
to provide extra heat in the thermostat to fool the thermostat into shutting down the furnace early so that remaining heat can be dissipated without overheating the conditioned area
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Referring to following circuit, technician A says that 12V would be dropped across R1 and R2. Technician B says that the same amount of current will flow through R1 and R2. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Using the average end area method, determine the required volume of the cuts and fills for a new road. The cuts and fills for each station are shown in Table 9.1. Express your answer in cubic yards.
What will be an ideal response?
Generally, the actions of hormones
A) tend to be less widespread than actions of the nervous system. B) can produce complex changes in physical structure and physiological changes. C) are faster to react than the nervous system. D) are shorter-lasting than the actions of the nervous system. E) do not affect homeostasis.
To minimize potentiometer loading
A) the load resistance must be very small compared with the potentiometer resistance. B) only high-resistance potentiometers should be used. C) the load resistance must be very large compared with the potentiometer resistance. D) connect a 1 ? resistor between the wiper and the load.