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TB 600-1
EXAMPLE Which of the following is not included in stencil weight of an acetylene cylinders?
a.
Weight of empty cylinder.
b.
Weight of acetone it should contain.
c.
Weight of the cylinder cap.
d.
Weight of the cylinder valve.
1.
What Is the maximum cubic feet per hour the trailer mounted acetylene plant is capable of producing?
a.
650.
b.
750.
c.
1000.
d.
1200.
2.
The pulsator assembly is operated by means of:
a.
Air pressure.
b.
Acetylene pressure.
c.
Water pressure.
d.
Spring tension.
3.
Which of the following is not a property of acetylene?
a.
Colorless.
b.
Slightly heavier than air.
c.
Mildly pleasant odor.
d.
Slightly anesthetic.
4.
How many stages of compression does the acetylene compressor have?
a.
One.
b.
Two.
c.
Three.
d.
Four.
5.
What is the purpose of the primer tank?
a.
Maintain water supply.
b.
Aid In starting pump.
c.
Provide water for generator.
d.
Primarily for water storage.
6.
What is the purpose of the generator tank check valve?
a.
Prevent reverse flow.
b.
Regulate liquid pressure.
c.
Cause pulsation's in gas.
d.
Prevent forward flow.
7.
After how many hours of operation should the oil In the acetylene compressor be changed?
a.
200.
b.
300.
c.
400.
d.
500.
8.
Why is the acetylene system purged three times prior to operation?
a.
Check functioning of equipment.
b.
Remove air-acetylene mixture.
c.
Insure moisture removal.
d.
To relieve excessive pressure.
9.
The drying agent used in the high pressure dryer is calcium:
a.
Carbide.
b.
Carbonate.
c.
Chloride.
d.
Chlorate.
10.  What action should be taken with the water inlet temperature setting if water consumption for the last four
hoppers of 100 pounds of carbide is 450 gallons?
a.
Raise 5 .
F
b.
Raise 10 .
F
c.
Lower 5 ,
F
D-2


 


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