Which of the following types of threading does a compressed air cylinder have? 1. Right-handed 2. Left-handed 3. Internal 4. External
a. 2 and 3 c. 2 and 4
b. 1 and 4 d. 1 and 3
Q. 2 What are the pin positions for an E size oxygen cylinder?
a. 2 and 4 c. 2 and 6
b. 2 and 5 d. 3 and 5
Q. 3 A nitrous oxide H size cylinder cannot be attached to oxygen equipment because the nitrous oxide cylinder has which of the following?
1. A different outlet size
2. A different thread type
3. An outer threading system
4. Internal threading; and oxygen has an external threading
a. 1, 2, 3, and 4 c. 2 and 3
b. 2, 3, and 4 d. 1 and 2
Q. 4 The cylinder outlet diameter for a G size oxygen cylinder is _____ inches.
a. 0.830 c. 0.960
b. 0.903 d. 0.965
Q. 5 Which safety system is used with small cylinders, sizes A through E?
a. Pin Index Safety System
b. Diameter Index Safety System
c. Direct-Acting Valve Safety System
d. American Standard Index Safety System
Q. 6 The diaphragms of a diaphragm type of valve are made of: 1. steel. 2. copper. 3. aluminum. 4. chrome-molybdenum.
a. 2 c. 3 and 4
b. 2 and 3 d. 1 and 2
Q. 7 Which type of valve operates on the principle that as the pressure in a cylinder increases, the temperature of the gas increases?
a. Direct-acting valves c. Rupture-disk pres-sure-relief valves
b. Fusible-plug pres-sure-relief valves d. Spring-loaded pressure-relief valves
Quick Reply
