A(n) ____ is a piece of hardware that measures system variables.

a. actuator
b. sensor
c. limit switch
d. controller


b. sensor

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Although not as strong as previous cements, portland cement is less expensive and therefore more widely used.

Answer the following statement true (T) or false (F)

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Describe the functions of the carburetor in small engines

What will be an ideal response?

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Soil occupies different volumes of space, depending on whether it in its natural undisturbed form or has been loosened by digging

Indicate whether the statement is true or false

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In the above figure, when the start button is pressed, the N.O. CR contacts ____________________ (open, close) and the current through the armature ___________________________________ (flows through the resistor, is supplied through the motor control circuitry).

Fill in the blank(s) with the appropriate word(s).

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