The pump discharge pressure will be considerably higher than the pressure at the ().
相似题目
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The discharge flow of a reciprocating pump is ().
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The () pump discharges a nearly constant amount of liquid regardless of pressure.
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Most pump manufacturers recommended that the discharge piping for centrifugal pumps be ().
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The discharge rate or capacity of a centrifugal pump will vary directly as the ().
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The pressure head of a pump is given in the unit of ().
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Which of the following pumps will build up a bursting pressure or stall their motors if the discharge valves are closed?() (1) gear (2) centrifugal (3) screw
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()uses one or two high pressure pumps for all the cylinders with one more standby, while()have a separate high-pressure pump for each cylinder.
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The pressure of a liquid leaving the pump can be referred to as the ().
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Which of the following will be the advantage of a centrifugal pump as compared with a reciprocating pump?() (1) Its discharge is continuous (2) It has no internal valves (3) Upon accidental closing of discharge valve, excessive pressure will not build up
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To maintain design discharge pressure from a centrifugal pump, the design clearance must be maintained between the ().
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If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be ().
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A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by ().
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Gear pumps are () type because they discharge a near constant amount of liquid regardless of pressure.
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If a bilge pump failed to build up discharge pressure, you should check for ().
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If a large difference exists between the compressor discharge pressure and the pressure corresponding to the existing condensing temperature in a refrigeration system, you should().
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In () pumps a closed discharge valve will cause bursting discharge pressure.
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Which of the following terms is used to identify the pressure of the liquid entering a pump?()
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When starting a centrifugal pump, the discharge valve should be ().
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The () discharge a nearly constant amount of liquid regardless of pressure.
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The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge,and in a few minutes the pressure drops sharply. This could be a result of the().
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When the relief valve opens it discharges high pressure refrigerant vapor to the ().
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The pressure head of a water pump is given in the unit of ().
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The discharge side of every fire pump must be equipped with a().
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When the relief valve is used as a constant pressure valve, it is connected to the outlet of the hydraulic pump to ensure that the outlet pressure of the hydraulic system (pump) is constant.
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