NEIEP 800 FINAL REVIEW EXAM QUESTIONS AND ANDWERS WITH COMPLETE SOLUTIONS

NEIEP 800 FINAL REVIEW EXAM QUESTIONS AND ANDWERS WITH COMPLETE SOLUTIONS Practice questions for this set Terms in this set (51) What is the minimum height of barricade in place around an open wellway? 42 inches What is the maximum angle of inclination for moving walks? 12 degrees What is the major advantage of a hydraulic elevator? 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? Rate of flow is reduced What tool is used to check a jack hole for plumb? 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? 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? 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? 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? 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? Fill with oil Which of the following valves is not operated electrically? Pressure relief valve What device prevents the plunger from leaving the jack assembly? The stop ring What is the advantage of wye-delta starting? Starting current is lowered What device cushions pulsations in the oil caused by the pump? Silencer How can you lower a hydro elevator without electrical power? With manual lowering valve What is the assembly called that supports the platform of a hydro elevator? Bolster channels Why is it necessary to run a ground wire to the car sling of a hydro elevator? To prevent electrical shock Under what conditions would a GFCI remove power to a circuit? When a worker comes in contact with the supply lead and return wires What is the max load cap of a fixed 10" X 4 ¾" beam weighing25.4lbs per linear foot that spans 10' when using a beam clamp? 8000 pounds An escalator arrives on site and needs to be lifted from a flat bed trailer and the value of 4000Kg is stamped on the side of the escalator truss, what is the standard weight? 8800 pounds