The steam grid humidifier works by:
A) Boiling water in a pan to steam.
B) Passing air over a wetted element.
C) Spraying water through nozzles and atomizing it to steam.
D) Introducing live steam into the air stream though a grid of orifices.
D
You might also like to view...
A workpiece should be secured in a vise by:
A) Tightening the crank by hand B) Striking the crank with a machinist's hammer C) Tightening the screw jack D) Striking the base of the crank handle with a lead hammer
The internal resistance of any meter is only effective if the meter is set on the ________ scales
A) Ohmmeter
B) Ammeter
C) Voltmeter
D) None of these
The ____________________ is the rotating part of the motor.
Fill in the blank(s) with the appropriate word(s).
You are setting up a system to detect if fluid is inside a carton so the robot can pick the empty cartons off the line. Which of the following would work for this task?
A. Inductive proximity switch B. Capacitive proximity switch C. Photoelectric proximity switch D. Hall effect sensors