A stair constructed without risers is generally called a(n)
A) closed-riser stair.
B) hollow stair.
C) open-riser stair.
D) no-riser stair.
C) open-riser stair.
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Technician A says the gears in a planetary gearset are in constant mesh. Technician B says a planetary gearset has a ring gear and pinion gears. Which technician is? correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
What are acceptable pH ranges for soil-base substrate and soilless substrates?
What will be an ideal response?
Which of the following is produced during the fuel cell energy production process?
A) Water B) CO2 C) CO D) None of these
In a capacitive AC circuit, when the voltage starts to increase, current is at ____ because the capacitor is discharged.
A. minimum B. maximum C. zero D. one