What term describes dogs that are trained to listen for people who cannot hear?
What will be an ideal response?
signal dogs
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A(n) ____________________ contains two circuits. One circuit is in series with the armature and has the armature current flowing through its thermal sensor or heating element; the second circuit is the control circuit with a control contact.
Fill in the blank(s) with the appropriate word(s).
What component of a heat exchanger holds the tubes in a tube bundle apart so they do not touch one another?
A) Baffles B) Tube sheet C) Tube bundle D) Spacer rods
You should never add fuel to a gasoline engine _____.
a. while the motor is running b. at the end of the day c. when the temperature is below freezing d. when the fuel shutoff valve is closed
In welded construction, what is meant by the term end return? Use a sketch if necessary.
What will be an ideal response?