The flow switch is constructed from a snap-action ____.
a. dual switch
b. micro-switch
c. dip switch
d. pressure switch
b. micro-switch
Trades & Technology
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In a typical multi-orifice, hydraulic injector nozzle, what force holds the nozzle valve on its seat?
A. spring force B. fuel pressure C. combustion pressures D. compression pressures
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Which of the following is an element in direct contact with the process variable to be measured that senses a change and provides a signal to the transmitter?
A) Sensor B) Indicator C) Recorder D) Controller
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What should an estimator consider when selecting a specialty contractor?
What will be an ideal response?
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Water-cooled condensers using sea water are usually piped to permit periodic cleaning by ____.
A. brushing the tubes B. acid treatment C. back finishing D. all of the above
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