Pompy

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The air discharge vessel of the piston pump is used for:
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Compensating the fluctuation of pressure and the capacity
The eductor has:
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No moving parts
The diffuser is necessary in:
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The ejector pump
The swing pump has:
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The semirotary motion of working device
The impeller pump should have at least:
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One shaft gland
The ability of suction without priming has:
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The circulating pump...
The elastic casing insert has:
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Single rotor screw pump
The swing pump should have at least:
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Four valves
The multipiston pump with rotating cylinders rotates in:
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One direction
The elastic casing insert has:
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Single rotor screw pump
The plunger pump is:
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Single action
The plunger pump has:
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The plunger stuffing box
The positive displacement rotary pumps are used for pumping:
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Liquids having lubricating properties
Which pump can be used as vacuum pump:
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The circulating pump with rotating liquid ring
The non-return valve is usually fitted on the discharge pipe of:
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Impeller pump
The safety valve is not necessary for:
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Swig pump
The direction of the liquid flow changes by 90o in the impeller of:
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Centrifugal pump
Ability of suction without priming is the feature of:
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Screw pump
The impeller is placed eccentrically inside the casing of:
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The circulating pump with rotating liquid ring
The variable displacement pump has:
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More than two pistons
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