Neiep 800 Final Review Questions with Answers (100%
Correct Answers)
What is the minimum height of barricade in place around an open
wellway? Answer: 42 inches
What is the maximum angle of inclination for moving walks? Answer:
12 degrees
What is the major advantage of a hydraulic elevator? 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? Answer: Rate of flow
is reduced
What tool is used to check a jack hole for plumb? Answer: Spider bob
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, 2
What is the operating pressure of a hydro elevator with a gross weight
of 2500lbs and a plunger area of 20 square in? 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? 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? 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? 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? Answer:
Fill with oil
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