Match each tool with its purpose.
A. measures very small pressures that are expressed in IWC
B. measures the air pressure in a duct system
C. measures air volumes at registers and grills
D. measures the speed of an airstream in a duct system
E. measures circuit currents
A. u-tube manometer
B. pitot tube
C. flow hood
D. velometer
E. ammeter
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____ animation is created by generating a path of travel, typically a spline curve, and then assigning the part to move along that path over a fixed period of time.
A. Keyframe B. Motion path C. Functional D. Curve path
Which of the following is a drain that collects subsurface or seepage water and conveys it to a place of disposal?
a. foundation drain b. subsoil drain c. scupper drain d. area drain
If line one of a circuit had a potential of 120 V and line two was neutral, the potential voltage (difference) between line one and line two would be zero volts.
Answer the following statement true (T) or false (F)
The symbol for a float switch illustrates a ball float. It is drawn by adding a ____ to a line.
A. sphere B. circle C. square D. triangle