NEIEP 800 PREPARATION TEST 2026
QUESTIONS AND CORRECT ANSWERS
GRADED A+
● 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
● 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
● Which of the following valves is not operated electrically? Answer:
Pressure relief valve
● What device prevents the plunger from leaving the jack assembly?
Answer: The stop ring
● What is the advantage of wye-delta starting? Answer: Starting current
is lowered
● What device cushions pulsations in the oil caused by the pump?
Answer: Silencer
QUESTIONS AND CORRECT ANSWERS
GRADED A+
● 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
● 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
● Which of the following valves is not operated electrically? Answer:
Pressure relief valve
● What device prevents the plunger from leaving the jack assembly?
Answer: The stop ring
● What is the advantage of wye-delta starting? Answer: Starting current
is lowered
● What device cushions pulsations in the oil caused by the pump?
Answer: Silencer
