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Once the cistern empties, the valve is released to seal the outlet pipe and to allow the cistern to fill once again. Flap valves come in a wide range of sizes and designs which range from small plastic valves one or two inches (about 3 to 5 cm) in diameter to huge stainless steel ...
running out. The most common location for a hose valve is on the outside wall of a home. A hose valve can be turned on to fill a bucket, or used after a garden hose is attached to run water through the hose for use. The hose valve may also be referred to as a faucet or a ...
What is the purpose of a relief valve?() A.to fill 2 tanks at the same timeB.to use pump at a higher pressureC.to return liquid to suction side if discharge valve is closedD.All of the above are true相关知识点: 试题来源:
A check valve, a non-return or one-way valve, is a mechanical device that allows a gas or liquid to flow freely in one direction while preventing reverse flow in the opposite direction. The direction in which the fluid or gas can flow is called the free flow direction; the direction in...
A.to fill 2 tanks at the same time B.to use pump at a higher pressure C.to return liquid to suction side if discharge valve is closed D.All of the above are true 你可能感兴趣的试题 单项选择题 A () pump is that where the volume of the pump chamber is alternately increased to draw...
A float valve is a device which can be used to control the level of a fluid in a tank by opening and closing a valve in response to changes in the fluid level. One of the most famous examples of a float valve is found in the ballcock found in toilets around the world, but these...
实际工作中我们经常会遇到职工因对工作安排不满，将矛盾诉诸车间领导以期获得解决的情形，这从某个方面折射出我们的班组长在作为“职工与领导间沟通的桥梁”这一角色上做的还不够好，那么以下几点关于如何做好这一“桥梁”性的工作，你认为正确的是哪些？（ ）
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