Which statement is TRUE about thermostats?
A) The temperature marked on the thermostat is the temperature at which the thermostat
should be fully open.
B) Thermostats often cause overheating.
C) The temperature marked on the thermostat is a temperature at which the thermostat
should start to open.
D) Both A and B
C) The temperature marked on the thermostat is a temperature at which the thermostat
should start to open.
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The term "acre" was brought to the United States from which country?
a. France c. Italy b. Germany d. England
An amplifier has a lower cutoff frequency (fC1 ) of 820 kHz and an upper cutoff frequency of 880 kHz. The center frequency (f0 ) of the amplifier is
A) 850 kHz B) 60 kHz C) 120 kHz D) 849 kHz
A thin, solid line with zigzags is called a(n) _____
A) long break line B) dimension line C) leader line D) object line
The first step in starting a chilled water system is to ____.
A. activate the compressor unloading system B. activate the chilled water circulating system C. activate the condenser heat removal system D. start the compressor operation sequence