Quiz on Chapter 17: Air-Oil Systems & Intensifiers
June 10, 2007
Quiz on Chapter 17 1. Air-oil systems use_______for power and_______as the controlling medium. oil, air water, oil air, oil 2. Attached oil control units can control cylinder action: both ways on extension only on retraction only ...
Quiz on Chapter 17
1. Air-oil systems use_______for power and_______as the controlling medium.
oil, air
water, oil
air, oil
2. Attached oil control units can control cylinder action:
both ways
on extension only
on retraction only
3. Large-diameter air-oil tanks:
increase pressure at the outlet
decrease pressure at the outlet
have no effect on pressure at the outlet
4. You should size oil-flow lines in an air-oil circuit for:
2 to 4 fps velocity
4 to 8 fps velocity
10 to 15 fps velocity
5. Tandem cylinders can be used in:
synchronizing circuits
circuits that require mid-stroke stopping
two-speed circuits
all of the above
6. The oil output volume from an air-to-oil intensifier is equal to:
air input volume
a large portion of air input volume
a small portion of air input volume
7. Output pressure from an air-to-oil intensifier is controlled by.
the area ratio of the pistons and/or rams involved
the length of stroke
the size of the outlet port
8. Air-to-air intensifiers:
run continuously, regardless of output pressure
stall when output pressure on the intensifier piston reaches input pressure
stall when output pressure on the intensifier piston tries to go higher than input pressure times area ratio
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