Neiep 800 Final Review questions and answers
Neiep 800 Final ReviewWhat is the minimum height of barricade in place around an open well way? - correct answer 42 inches What is the maximum angle of inclination for moving walks? - correct answer 12 degrees What is the major advantage of a hydraulic elevator? - correct answer Requires less building structural support If all other elements in a hydro elevator remain the same, what would be the effect of increasing the size of the oil line? - correct answer Rate of flow is reduced What tool is used to check a jack hole for plumb? - correct answer Spider bob What is the operating pressure of a hydro elevator with a gross weight of 2500lbs and a plunger area of 20 square in? - correct answer 125psi (2500/20) An oil reservoir is 22in long and 24in wide, how many gallons of oil will it take to fill it to a depth of 18in? - correct answer 42gal (22x24x18 = 9504) (9504/231= 41.14) Why is it important to follow a welding procedure using a sequence of short welds on opposite sides of the cylinder? - correct answer To prevent warping of cylinder If all other elements of a hydro elevator remain the same, what would be the effect of increasing the diameter of the plunger? - correct answer System pressure would be reduced If the jack unit is installed in the well hole long before the elevator will be completed, how do you prevent rusting of the plunger? - correct answer Fill with oil
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