| # | The term for the preasure against which a pump must operate is | pounds | head | neagtive preasure | foot pounds | positive foot pounds | 2
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| 1 | The pressure exerted by a column of water whan at rest and is ussually measured in psi is called what? | static | residual | ordinary | theoretical | dynamic | 1 |
| 2 | The total dynamic head against which a pump must operate is what? | the sum of the static head and the head due to friction loss | the static head | the friction head | the head loss | none of the above | 1 |
| 3 | Static suctiopn head plus friction head plus static head discharge plus frictiondischarge head make up the _____________ of a pump. | operating preasure | pump curve | total dynamic head | total dynamic head loss | velocity head | 3 |
| 4 | In a well the static water level is 15 ft. The pumping water level is 45 ft. The drawdown is | 30 ft | 15 ft | 45 ft | 60 ft | 70 ft | 1 |
| 5 | The C factor os a water pipe is the | measurement of area to pipe diameter. | measurement of pipe diameter. | cost to diameter ratio. | measurement of interior roughness. | measurement of ineterior roughness to inside diameter. | 4 |
| 6 | Pressure is ussually measured in | pounds per square inch. | pounds per cubic inch. | cubic feet per second. | feet per secound. | gallons per minute. | 1 |
| 7 | A vertical gate in the face of a dam is 4 ft wide and 6 ft high an is hinged at its upper edge. The gate is kept closed by the preasure of water standing 8 feet deep over its top edge. What total force acts to keep this gate closed? | 15,566 pounds | 16,000 pounds | 16,474 pounds | 16,750 pounds | 17,000 pounds | 3 |
| 8 | If a 12 inch flanged pipe is closed at the end by a blind flange, what total stress will be carried by the bolts when the head on the pipe center is 240 ft? Assume the gasket has a 13 inch inside diameter. | 13,000 lbs | 13,500 lbs | 13,800 lbs | 14,000 lbs | 15,000 lbs | 3 |
| 9 | A 24 inch diameter pipeline carries water at a velocity of 12 ft/sec. At a section of the same line the diameter is 3 ft. What is the velocity at this cross section? | 5.0 fps | 5.3 fps | 5.6 fps | 6.0 fps | 10.6 fps | 2 |
| 10 | A flow of 1 MGD occurs in a 8 inch pipeline. What is the flow velocity? | 4.0 fps | 4.43 fps | 5.0 fps | 6.0 fps | 6.35 fps | 2 |
| 11 | For a flow of 70.7 cfs and a velocity of 10 fps in a pipe, compute the inside diameter. | 2.75 ft | 3.0 ft | 3.65 ft | 4.0 ft | 4.3 ft | 2 |
| 12 | What is the velocity head in a 6 inch pipe connected to a 1 ft pipe if the flow in the larger of the two pipes is 1.42 cfs? | 0.50 ft | 0.81 ft | 1.0 ft | 1.25 ft | 1.55 ft | 2 |
| 13 | A horizontal 6 inch pipe carries water at a preasure of 60 p.s.i.g. The pipe reduces to a horizontal 3 inch section in which the pressure in the pipe is 20 p.s.i.g. What is the flow through the two pipes? | 2.5 cfs | 3.0 cfs | 3.45 cfs | 3.9 cfs | 4.35 cfs | 4 |
| 14 | A pail of water weighs 40.0 lbs. and the empty pail weighed 2.5 lb. How much water is in the pail? (gallons) | 4.0 gal | 4.45 gal | 4.86 gal | 5.0 gal | 5.25 gal | 2 |
| 15 | 1 psi will support a column of water that is how high? | 1.55 ft | 2.31 ft | .433 ft | 8.34 ft | 7.48 ft | 2 |
| 16 | The difference between the statioc level and the pumping level of a well is called the | cone of depression | zone of saturation | drawdown | radius of influence | none of the above | 3
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