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

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