Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
|
How long do you run the pump before recharging
|
five minutes
|
|
|
What is the appropriate weight of the CO2 in its liquid and gas phase at 70 F in a 50lb supply cyclinder?
|
38lbs liquid and 12lbs gas
|
|
|
What is the type of piston rod packing?
|
Flanged type
|
|
|
What is the mazimum distance between the body and the end of the plunger guide when replacing the plunger guide?
|
1 and 3/16 inch
|
|
|
What type of oil is used for lubrication of the CO2 pump?
|
SAE 30
|
|
|
What are the CO2 cylinders made of?
|
Die formed steel
|
|
|
What is the normal working pressure that CO2 cylinders are tested to?
|
5/3
|
|
|
How often is a CO2 cylinder hydrostatically tested?
|
5years
|
|
|
What is the use for the syphon tubes in the CO2 cylinders?
|
They determine the position of mounting the CO2 cylinders
|
|
|
what is the usual capacity of the CO2 in a supply cylinder used for recharging?
|
50lbs
|
|
|
What should be the position of a CO2 supply cylinder that has a syphon tube extending to the base of the cylinder?
|
upright position, inclined not more than sixty degrees from vertical
|
|
|
How should CO2 supply cylinders that have a supply tube be positioned?
|
inverted with valve at the bottom
|
|
|
What pressure will the fragible disc in a CO2 valve rupture?
|
2900lbs psi 2700 to 3000
|
|
|
what degree will the fusible plug rupture in a CO2 valve?
|
208 F to 220 F
|
|
|
What is the horsepower rating of the motor used with the Walter Kidde transfer unit?
|
3/4 horsepower
|
|
|
How is the commulator of a CO2 transfer pump cleaned?
|
with a non-linting cloth
|
|
|
What are the two different types of CO2 units manufactured for use by the Navy?
|
CO2 Walter-Kidde and C-O-Two Company
|
|
|
What is the ideal temperature for storing CO2 cylinders?
|
70 degrees
|
|
|
What principle does the transfer unit operate?
|
Works on the single-acting reciprocating principle
|
|
|
How many cylinders are used with the carbon dioxide transfer unit
|
one
|
|
|
What is the construction of the transfer unit?
|
Corrosion resistant metal mounted on a support base
|
|
|
How long should the CO2 pump be run in after changing the lubricating oil?
|
5 minutes
|
|
|
What type of pump is used in the SC-2 transfer unit?
|
single acting, reciprocating type
|
|
|
What is the pump made of?
|
Corrosion and wear resistance metal
|
|
|
What percentage of CO2 is the tansfer unit capable of transferring from a fully charged supply cylinder?
|
80% or 40lbs of CO2 from 50lbs supply cylinder
|
|
|
What is the pressure the frangible safety disc, in the pump, is designed to relieve?
|
2,650 to 3,000
|
|
|
What is the crankcase portion of the pump made of?
|
Close grained nickel iron
|
|
|
What kind of tubing are the supply and receiver cylinder connected to?
|
Flexible bronze hose
|
|
|
What psi should a supply cylinder be removed from the cascade system?
|
600psi
|
|
|
What psi should a cylinder be removed from the supply system?
|
300psi
|
