Sewage Treatment Worker Practice Test #2 Questions with Correct Answers

Gallons per minute pumped and pressure head Correct Answer The rated capacity of a pump is usually given in terms of Water Hammer will occur Correct Answer Sudden shutting of the discharge valve of a centrifugal pump may damage a piping system because Shear Pin Correct Answer The one of the following that is used on a piece of mechanical equipment to prevent over loading is Air is leaking into suction line Correct Answer Sewage has suddenly stopped flowing from a centrifugal pump which has been working well , The MOST probable cause for this is that Cup Grease Correct Answer The MOST viscous of the following lubricant is Grease Correct Answer The BEST method of lubrication roller bearings if by means of Connect two lines of different sizes Correct Answer A pipe reducer would be used to Tap Correct Answer The one of the following that is not a standard pipe fitting is a Air Chamber Correct Answer Water hammer can be reduced by using a(n) Machined Correct Answer To be watertight, the faces of a flanged connection should be Take up each bolt gradually , first tightening one bolt slightly , then the diagonally opposite bolt in a like manner Correct Answer When tightening bolts on a flanged connection, the PROPER procedure is to