When the flush valve in a toilet lifts above the tank outlet and floats, the _____
a. water flows from the tank into the bowl
b. water level in the tank drops
c. valve reseats on the tank drain
d. tank refills with water
a
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Nominal sizes for the three basic types of pipes are determined by the ____________________ diameter except when the diameter exceeds 12 inches.
Fill in the blank(s) with the appropriate word(s).
To prevent the spread of smoke and fire, fire dampers are designed to close:
A) Manually. B) Using the NO contacts of the fire alarm relay. C) Automatically. D) All the time except when the system is operating.
In a centrifugal pump, liquid is ___________ into the suction eye.
a. sucked b. pushed
Express 7.5 × 10-4 in milli, basic units, and micro
A) 7.5 milli, 0.075, 75000 micro B) 75 milli, 0.0075, 750 micro C) 75 milli, 0.075, 7500 micro D) 0.75 milli, 0.00075, 750 micro