Which type of sensors do electronic thermostats use?
A. sensing bulb
B. bimetal
C. thermistors
D. all of the above
Answer: C
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All the elements of a landscape design should work together as a whole
Indicate whether the statement is true or false
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Refer to Exercise 6. Assume that c=448 J/kg°C and ?Q=1210 J are known with negligible uncertainty. Assume the mass is m=0.75 ± 0.01 kg. Estimate ?T, and find the relative uncertainty in the estimate.
What will be an ideal response?
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Which of the following can hold approximately 650 MB of data?
A) floppy disk B) ZIP disk C) CD-ROM D) hard drive
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A flow switch used with ____ may start a motor when flow occurs, and stop the motor when there is no flow.
a. on-off circuit b. short circuit c. three-phase circuit d. single-phase circuit
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