NEIEP 800 EXAM:AN A+ GUIDE WITH LATEST KEY
QUESTIONS AND ANSWERS
The major advantage of a hydraulic elevator is that it __________ _________ building
structural support.
requires less
What would be the effect of increasing the size of the oil line if all other elements in a hydraulic
elevator system remain the same?
Rate of flow is increased
A __________ __________ is used to check a jack hole for plumb.
spider bob
What is the operating pressure of a hydraulic elevator with a gross weight of 1500 pounds and
a plunger area of 15 square inches?
100 psi
One gallon equals __________ cubic inches.
231
Why is it important to follow a welding procedure using a sequence of short welds on opposite
sides of the cylinder?
To prevent warping the cylinder
If all other elements in a hydraulic elevator system remain the same, what would be the effect
of reducing the diameter of the plunger?
Higher system pressure
How do you prevent rusting of the plunger if the jack unit is installed in the well hole long
before the elevator will be completed?
Fill it with oil
(True/False)The pressure relief valve is operated electronically.
False
What prevents the plunger from leaving the cylinder?
, The stop ring
The advantage of wye-delta starting is what?
Starting current is lower
A __________ cushions pulsations in the oil caused by the pump.
silencer
You can lower a hydraulic elevator without power by using the __________ __________
__________.
manual lowering valve
The __________ __________ assembly supports the platform of a hydraulic elevator.
bolster channel
It is necessary to run a ground wire to the car sling of a hydraulic elevator to prevent what?
electrical shock
What condition will trip a GFCI?
If a supply lead is shorted to ground
When using a beam clamp, a good rule of thumb is to never load the lower flange to more than
__________ % of the load which could be handled by the full area of the beam.
50
1 lb equals how many Kg?
.4536
2,000 Kg = __________ lbs
4,409
What is the best rigging equipment to use for controlling horizontal movement of the escalator
as it is being lifted into position in the wellway?
lever hoist
What is the most common shackle used?
Screw pin bow type
The angle of inclination can __________ 30 degrees by a maximum of __________ degrees at
the installation site.
QUESTIONS AND ANSWERS
The major advantage of a hydraulic elevator is that it __________ _________ building
structural support.
requires less
What would be the effect of increasing the size of the oil line if all other elements in a hydraulic
elevator system remain the same?
Rate of flow is increased
A __________ __________ is used to check a jack hole for plumb.
spider bob
What is the operating pressure of a hydraulic elevator with a gross weight of 1500 pounds and
a plunger area of 15 square inches?
100 psi
One gallon equals __________ cubic inches.
231
Why is it important to follow a welding procedure using a sequence of short welds on opposite
sides of the cylinder?
To prevent warping the cylinder
If all other elements in a hydraulic elevator system remain the same, what would be the effect
of reducing the diameter of the plunger?
Higher system pressure
How do you prevent rusting of the plunger if the jack unit is installed in the well hole long
before the elevator will be completed?
Fill it with oil
(True/False)The pressure relief valve is operated electronically.
False
What prevents the plunger from leaving the cylinder?
, The stop ring
The advantage of wye-delta starting is what?
Starting current is lower
A __________ cushions pulsations in the oil caused by the pump.
silencer
You can lower a hydraulic elevator without power by using the __________ __________
__________.
manual lowering valve
The __________ __________ assembly supports the platform of a hydraulic elevator.
bolster channel
It is necessary to run a ground wire to the car sling of a hydraulic elevator to prevent what?
electrical shock
What condition will trip a GFCI?
If a supply lead is shorted to ground
When using a beam clamp, a good rule of thumb is to never load the lower flange to more than
__________ % of the load which could be handled by the full area of the beam.
50
1 lb equals how many Kg?
.4536
2,000 Kg = __________ lbs
4,409
What is the best rigging equipment to use for controlling horizontal movement of the escalator
as it is being lifted into position in the wellway?
lever hoist
What is the most common shackle used?
Screw pin bow type
The angle of inclination can __________ 30 degrees by a maximum of __________ degrees at
the installation site.
