What type of sensor is used to detect vortices in a vortex flow meter?
A. temperature
B. pressure
Answer: B
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One of the greatest changes that industrialization brought about in the lives of workers was
A. their movement to the suburbs. B. the need for them to adjust their lives to the time clock. C. enjoying less physical comforts and a declining standard of living. D. the narrowing of class divisions. E. the encounter with other races.
When two or more substances are mixed, the resulting chemical reaction always gives off heat
Indicate whether the statement is true or false.Name the type of gears that are conical in shape, allowing the shafts of the gear and pinion to intersect at 90 ? or any desired angle, and the teeth have the same shape as the teeth on spur gears except they taper toward the apex of the cone.
What will be an ideal response?
Feet of water is a measure of _____
a. head pressure b. column pressure c. dynamic pressure d. pipe friction