Two technicians are discussing Karman Vortex sensors. Technician A says that they contain a burn-off circuit to keep them clean. Technician B says that they contain a movable vane. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
D
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All of these statements about the rolling elements in a tapered roller bearing are true EXCEPT:
A. They have precision machined surfaces B. They have the same diameter at each end C. They are evenly spaced by the separator D. They are mounted between the inner and outer races
What is the current draw of a circuit with a resistance of 6 ohms when 120 volts is applied to the circuit?
What will be an ideal response?
?Exponential curves are always divided into _____ time constants.
A. ?three B. ?four C. ?five D. ?six
The control wire from a thermostat to an oil burner control switch runs the following distances: 2 1/2 inches, 5 feet, 4 feet, 6 feet 2 1/2 inches, 8 feet, 6 1/2 inches, and 8 inches. Find the total length of the control wire.
Fill in the blank(s) with the appropriate word(s).