4688299
Beschreibung
Quiz von TRAVIS CANNING, aktualisiert more than 1 year ago
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Erstellt von TRAVIS CANNING
vor mehr als 8 Jahre
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Frage 1
Frage
Compressor lubrication may be divided into two main sections _______ lubrication and ________ lubrication
1. Peripheral
2. Internal
3. Splash
4. External
5. Pressure
Antworten
-
1,2
-
3,5
-
2,3,4
-
2,4
Frage 2
Frage
A double acting reciprocating compressor:
Antworten
-
Receives and compresses air at the head end of the cylinder
-
Receives and discharges air at both ends of the cylinder
-
Increases the pressure twice from the inlet valve
-
Has one compression stroke for every crankshaft revolution
-
Must have at least two pistons
Frage 3
Frage
Two pre-filters are installed on a package industrial screw compressor. They are installed at the inlet of the:
Antworten
-
Water/oil seperator
-
Air dryer
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After filter
-
Air fluid seperator
-
Moisture seperator
Frage 4
Frage
Reciprocating Compressor valves are usually automatic and open and close by:
Antworten
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Action of a poppet valve
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Movement of the piston covering or uncovering ports
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Operation of an air solenoid valve
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A pressure difference
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A camshaft
Frage 5
Frage
The axial flow compressor's basic operating principle is similar to a:
Antworten
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Centrifugal compressor
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Reciprocating compressor
-
Reaction turbine in reverse
-
Reaction turbine
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Rotary compressor
Frage 6
Frage
The compression Ratio is the ratio of:
Antworten
-
Absolute discharge pressure to absolute inlet pressure
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Gauge discharge pressure to gauge inlet pressure
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The free air intake to the absolute volumetric discharge
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The gauge inlet pressure to the absolute discharge pressure
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Piston diameter to piston stroke
Frage 7
Frage
In a packaged screw compressor package, the bulk of the moisture is removed in the moisture separator in order to decrease the load in the:
Antworten
-
Air/fluid seperator
-
Pre-filter
-
Air dryer
-
After filter
-
Water/Oil seperator
Frage 8
Frage
The prime purpose of water-cooling or air cooling an air compressors cylinder is to:
Antworten
-
Cool the air
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Reduce moisture and volume of the air
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Keep the cylinder at a reasonable temperature
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Prevent fire from occurring in the receiver
-
Prevent operator injury
Frage 9
Frage
An important advantage of a sliding vane compressor is that it:
Antworten
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Does not require internal lubrication
-
Has a high starting torque
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Does not require inlet or discharge valves
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Requires light nylon timing gears
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Does not require a prime mover
Frage 10
Frage
An air filter on an air compressor inlet pipe is used to:
Antworten
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Reduce the air velocity
-
Keep out the moisture
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Purify the air by removing exhaust process gases
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Prevent dust and other particulate from entering the compressor
-
Increase the air velocity
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