An "E" size cylinder is turned on, and the flowmeter is off. Which of the following is (are) the most likely cause(s) of a hissing sound?
1. A cracked flowmeter
2. Inadequate pressure in the cylinder
3. An obstruction at the regulator outlet
4. A leak in the connection between the yoke and the cylinder opening
a. 2 c. 1 and 3
b. 1 and 2 d. 1 and 4
ANS: D
A hissing noise means that there is a leak somewhere in the system. Typically, that will occur between the yoke and the cylinder opening or if there is a crack in the flowmeter. Inadequate pressure or an obstruction would not cause a hissing sound.
You might also like to view...
In a typical interview, about how long does the applicant have to convince the potential employer to hire him or her?
A. One hour B. Five minutes C. 20 minutes D. 45 minutes
________ A medical assistant does NOT need to be concerned with cultural norms while assisting the physician with a physical exam
Indicate whether the statement is true or false
The vertebral column consists of 7 cervical, 12 thoracic, and 5 lumbar vertebrae
Indicate whether the statement is true or false
A partial rebreather mask can deliver 40 to 60 percent oxygen at a flow rate of:
A) 6 to 10 L per minute. B) 10 to 15 L per minute. C) 2 to 6 L per minute. D) 15 to 25 L per minute.