La tubería de hierro fundido generalmente se corta con un(a):
a. sierra alternante.
b. soplete de corte.
c. cortador de tubería de desagüe.
d. sierra para metales.
Answer: C
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What is the “pure ice” that commercial cube ice makers produce?
a. Ice that is hard and is in a cube form. b. Ice that freezes without air, chlorine, or minerals in it. c. Ice that is pushed through an extruder to squeeze out the excess water.
Cavitation in a water control valve can be caused by
A) installing the control upstream of the coil instead of downstream B) extremely low pressure drop through the valve C) installing the control downstream of the coil instead of upstream D) excessively high pressure drop through the valve
Refer to the figure. Determine the side of the secondary square.
Fill in the blank(s) with the appropriate word(s).
Most transient suppression modules consist of an RC circuit that is designed to suppress coil voltage transients to approximately what percentage of the peak coil supply voltage?
a. 125% b. 200% c. 250% d. 300%