A Ventilator Can Derive Its Input Power from Which of the Following

question 37

Multiple Choice

A ventilator can derive its input power from which of the following sources?
1) Alternating current (AC) electricity
2) Battery
3) Pneumatic

• A)1 and 2 only
• B)1 and 3 only
• C)2 and 3 only
• D)1, 2, and 3

---

Definitions:

Cast Materials

Materials that have been shaped by pouring them into a mold while liquid and allowing them to solidify.

Unified National Coarse

A thread standard that specifies the shape, dimensions, and tolerances for coarse threads used broadly in bolts, nuts, and screws in the United States.

Unified National Code

A thread standard used in the United States and Canada for bolts, screws, and nuts, specifying the shape, angle, diameter, pitch, and length of threads.

Abbreviation

A shortened form of a word or phrase used to save space or avoid repetition.